The two dates to calculate the difference between: Technical Details. In this article. The millisecond/ microsecond precision wasn’t supported in previous versions like 5. CREATE FUNCTION UNIX_TIMESTAMP() RETURNS BIGINT AS BEGIN RETURN DATEDIFF_BIG(millisecond, '1970-01-01 00:00:00',. The units related to interval year to month are y, year, and month. "timestamp" is a column in MYSQL which I hold a timstamp as such "1365793346". 609') - unix_timestamp ('2017-12-26 14:35:18. The DATEDIFF() function returns an integer that represents the number of days between two dates. The number of dateparts separating two date/time instances is too large. According to DB2's manual, DAYS () returns: "The result is 1 more than the number of days from January 1, 0001". I have a table with two dates and a float value that is the difference of the two dates in seconds (with 1 decimal point. For larger differences, see DATEDIFF_BIG (Transact-SQL). DateDiff Function in SQL Server-1. I tested for up to 50 years and it works fine on my 64 bit fedora linux system. PostgreSQL - Date Difference in Weeks. SELECT DATEDIFF (second, '2019-12-31 23:59:59', '2020-01-01 00:00:00'); A value of 1 is returned because the boundary of seconds is. Aggregate functions. hour uses only the hour and disregards all the other parts. 4 and above. 6. Only the date parts of the values are used in the calculation. MySQL DATEDIFF: Calculating the number of business days between two dates The next topic on our today’s agenda is to calculate the business days between two events (excluding weekends). The returned number of dateparts can be positive or negative. This MySQL. Where (org => org. DATEDIFF() is a function found in SQL Server and MySQL that calculates and returns the difference between two date values. 1 Answer. You could use the microsecond unit and divide by 1000 - MySQL doesn't appear to support milliseconds. Now for d1. with examples. It can be one of the following formats: Year: year, yyyy, yy W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Using java. An integer only allows values up to 2,147,483,647. SELECT dateDiff (dd,'10/1/2011 23:59:00' , '10/2/2011') returns one day even when only one minute apart. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. select datediff('2016-04-14 11:59:00', '2016-04-13 12:00:00') returns 1 instead of expected 0. The DATEDIFF () function takes three parameters: Interval - It is the time interval in which the date is to be returned. But, we have a way to get the answer. 1 Answer. DATEDIFF(date1, date2) Parameter Values. DateTime. Print CAST (GETDATE () as Datetime2 (7)) This is too works, Thanks for your answer. Learn more about TeamsExample #1 – Calculating Age. In Sybase ASE you can use DATEDIFF function to get the difference between two datetime. I came across an easier way of solving this issue. date. select datediff (qtr, '1998-07-01', current_date); date_diff ----------- 40 (1 row) The following example joins the SALES and LISTING tables to calculate how many days after they were listed any tickets were sold for listings 1000 through 1005. 0000000+00:00', @dateTimeOffset) EF Core 8. For a complete listing of allowed date parts, see “Date parts”. 63"Possible Duplicate: MySQL convert timediff output to day, hour, minute, second format. The TIMESTAMP data type is available in Dialect 3 and Dialect 1. Just convert the result in seconds to decimal and to milliseconds and nano sec. datediff between multiple records in SQL. should work fine. . This function is a synonym for timestampdiff function. millisecond. Now, even when used once. 0. For example, DATEDIFF(milliseconds, '00:00:00',. 1 Sec = 1000 milliseconds. FROMTIME, PRODROUTE_1. The value date_expr1 is subtracted from. Additionally GETDATE returns a datetime datatype which only has precision of 3-4 ms whereas SYSDATETIME() returns a datetime2(7) datatype. If anyone could provide me some insight on what I'm doing wrong, I'd appreciate it. However, the best way to find the accurate execution time of statements inside a stored. However, if the time crosses midnight then you'll get a large negative value of DATEDIFF. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. This article provides examples of the DATEDIFF() function in SQL Server. which results in. 3, “Date and Time Literals” means that although earlier values might work, there is no guarantee. The number of dateparts separating two date/time instances is too large. SOMETABLE SET MyDateTime = GETUTCDATE() WHERE SomeTableId = @SomeTableId AND DATEDIFF( MILLISECOND, GETUTCDATE(), MyDateTime) > 1000; And it would be good for what I need except that DATEDIFF using MILLISECOND will overflow for any. Casting to any integral type will give you days, not milliseconds. The function supports units of years, quarters, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, and nanoseconds. However,in your sitution ,you use DATEDIFF() as the number of DATEADD (datepart ,number, date ) . For milliseconds, this is approximately 24 days, 20:31. But if you want an event at 12:03, just substitute DateTime. 0000000');Corresponds to SQL Server's DATEDIFF(millisecond, @startDate, @endDate). Corresponds to the SQL Server DATEDIFF function using millisecond to specify the type of time boundary crossed. 2. start 23:59, end 00:00, datediff is -86340 I think (1 minute minus 24 hours). I need to get the number of milliseconds since the epoch. Let’s look at the syntax, examples, and use cases of Redshift DATEDIFF function:MySQL 5. datediff. datediff takes three arguments. Return the current time. 00:03 when 3 seconds). msdn. For a smalldatetime value used for startdate or. Try to use datediff with a less precise datepart. 000Viewed 3k times. UNIX_TIMESTAMP (ts1) - UNIX_TIMESTAMP (ts2) If you want an unsigned difference, add an ABS () around the expression. Literally speaking the epoch is Unix time 0 (midnight 1/1/1970), but 'epoch' is often used as a synonym for Unix time. 000'. 6222691' DECLARE @date2 datetime2 = '2022-01-14 12:32:07. Previous SQL Server Functions Next . The second and third are dates. This case means that if we start at startdate '2036-03-01', and then count -2 days, we reach the enddate of '2036-02-28'. You are free to specify the interval in years, months, days, hours,. 프로그램 밥벌이가 천직인줄. Syntax:For a smalldatetime value used for startdate or enddate, DATEDIFF_BIG always sets seconds and milliseconds to 0 in the return value because smalldatetime only has accuracy to the minute. If you want the same in C# you need to remove the time component. Where a time stamp is a numerical value representing the number of milliseconds from '1970-01-01 00:00:01' UTC (epoch) to the specified time. 1. But upon execution, I get the following error: The datediff function resulted in an overflow. time1: The first TIME or DATETIME value. declare @start datetime = '2012-04-10 14:59:12. To extract the string representation of a time's millisecond component, call the date and. The datediff function resulted in an overflow. Example Get your own SQL Server. 16). This function is a synonym for timestampdiff function. MILLISECOND part of the DateTime in Sql Server. MySQL DATEDIFF() Function MySQL Functions. datediff produces results of datatype int, and causes errors if the result is greater than 2,147,483,647. g. Find the interval between today's date and a column. If the second argument precedes the first, the result is negative. Second parameter would be the last login time, which is already in the database. Syntax DATEDIFF ( interval, date1, date2) Parameter Values Technical Details Works in: SQL Server (starting with 2008), Azure SQL Database, Azure SQL. The column in SQL is also (decimal(12,2). 1. One month is considered elapsed when the calendar month has increased and the calendar day and time is equal or greater to the start. To accomplish this, we will utilize the rental table, which contains essential information about customer rentals, including the dates they rented and. Jenni Jenni. 400 is:The MySQL TIMESTAMPDIFF() function is used to find the difference between two date or datetime expressions. For example. DATEDIFF() 函数在很多场景中都有用到，比如： 计算两个日期之间的天数、小时数. This example uses the DateDiff function to display the number of days between a given date and today. The first example returns the "start" date of time in the SQL Server world. Summary of Functions. Deinstall the old Version (5. SELECT AVG (DATEDIFF (d, DateUsed, DateExpires)) FROM tbl. This MySQL tutorial explains how to use the MySQL TIMEDIFF function with syntax and examples. FROMDATE)), MAX (DATEADD (s,. This SQL Server tutorial explains how to use the DATEDIFF function in SQL Server (Transact-SQL) with syntax and examples. Then select only those rows where there is no earlier dated row (for the same TagID) within a certain timeframe. Dim date2Entered As String = InputBox ("Enter a date") Try Dim date2 As Date = Date. 4 Date and Time Functions. Calculating Average Milliseconds in DateTime Column. SQL Server: -- Difference between Oct 02, 2011 and Jan 01, 2012 in years SELECT DATEDIFF (year, '2011-10-02', '2012-01-01'); -- Result: 1. Sorted by: 1. This function takes two date values as arguments and returns the number of days between them. I have a date that is formatted like so: 2010-09-01 00:15:46. 6. If you want your own subtraction, write your own function and parse the datetime as string. 25 * 1000, 0) If you want it without the date portion you can use CONVERT, with style 114. 0. This last DATEDIFF example would display the difference between current system date and '2014-02-14' (current system date is returned by the CURDATE function ). The most straightforward way to calculate the difference between two dates in mysql is by using the DATEDIFF() function. DATEDIFF check for one minute is actually between one and two minutes. Try below query if LAG () doesnt work on your DB because of configuration issues. Days is doing a date and time. DECLARE @date datetime SELECT @date = '2/11/1990 12:03:25. DATE_FORMAT () Format date as specified. Move to a "higher" unit (milliseconds -> seconds -> minutes -> hours and so on) until the value you get can be cast into a integer and make sure that all the values you might apply the function to in the future will still be inside the bounds of an integer. What is the most elegant way to get the date and the hh:mm. First, all we did was subtract the start date from the end date to calculate the duration. format_datetime(timestamp, format) → varchar. Public Function NowUTCmsSince19700101(ByVal nowDT As Date) As Double Dim result As Double result = DateDiff("s", CDate("1970-1-1 12:00:00 AM"), Now) Dim tempStr As String tempStr = Strings. I solved it by first evaluating DATEDIFF for a difference in YEARS < 1. SET @endTime = GETDATE (); /* Find duration in milliseconds */. 001 + x. DateDiffMillisecond(DbFunctions, Nullable<TimeSpan>, Nullable<TimeSpan>) Counts the number of millisecond boundaries crossed between the startTimeSpan and endTimeSpan. DateTime. The TIMESTAMPDIFF function allows its arguments to have mixed types e. Application. After this I import the Data. declare @myDate datetime; Select @myDate=getdate (); Select @myDate; will output. SQL Server DATEDIFF function returns the difference in seconds, minutes, hours, days, weeks, months, quarters and years between 2 datetime values. Use the UNIX_TIMESTAMP function. My problem is that the. I am making a DATEDIFF () call in SQL server 2008 as part of a stored procedure, which potentially is returning values of as small as 3 seconds or less. DATEDIFF의 경우: date_or_time_expr1 및 date_or_time_expr2 는 날짜, 시간 또는 타임스탬프일 수 있습니다. 723'), 0), 114). You could use the microsecond unit and divide by 1000 - MySQL doesn't appear to support milliseconds. It can be used to do date math as well. Please. This requires breaking the date into its year, month, and day parts, putting them together in "yyyy/mm/dd" format, then casting that back to a date. Weeks, quarters, and years follow from that. MySQL timediff — is it a bug? 8. In MS SQL, a datetime datatype is only accurate to 1/300th of a second. 4. 1. MySQL query to convert timediff() to seconds - For this, you can use TIME_TO_SEC() function. 2. You don't need to. For other formats, check out the MSDN page on CAST and CONVERT. T-SQL DATEDIFF table list Examples. GetDateTime (1). For example, you can use: SELECT TIMESTAMPDIFF (SECOND, '2012-06-06 13:13:55', '2012-06-06 15:20:18') In your case, the third parameter of TIMSTAMPDIFF function would be the current login time ( NOW () ). The output is in hours:min:sec. I would like the format to be in MM:SS (i. If you don't need a precise DateTime, only differences, then don't use DateTime at all. Difference between two datetime in milliseconds (Informix) I could find something like this to find difference in seconds. Topic link icon Transact-SQL Syntax Conventions Syntax. so if the parameters you pass to it cause it to try to return a number larger than the largest. (timestamp) function. Here are the enumerated steps: 1. Python Example 1: Get difference between two timestamps in milliseconds. So SQL generated by EF Core query translation also allows invoking. SELECT DATEDIFF (ms, @startTime, @endTime) AS Execution_Time_In_Millisecs. TIMEDIFF () is essential for time-based analysis by enabling you to measure the duration of events or actions. value). SELECT DATEDIFF(MI,'2020-05-26 18:06:43. Leap seconds tend to cause trouble with software. Conversions to and from UTC and local time are generally best handled in application or SQLCLR code due. Using the datediff function as documented here. Applies to: Databricks SQL Databricks Runtime 10. Then subtract them and get the timedelta object. e. 5. 6. SELECT CONVERT (DATETIME, CONVERT (VARCHAR (19), GETDATE (), 120)). Follow answered Jul 15, 2010 at 11:52. The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z). . millisecond は、時、分、秒、および小数秒の最初の3桁を使用します。小数秒は丸められません。たとえば、 DATEDIFF(milliseconds, '00:00:00', '00:00:01. Corresponds to SQL Server's DATEDIFF(millisecond, @startDate,. This function accepts three parameters − the type of interval to measure (such as year, quarter, month, hour, minute, etc. SELECT TIMESTAMP(`registration_date`, `registration_time`) AS 'registration_timestamp'. ms = Millisecond; date1, date2: Required. The returned value is a big integer -- useful for seconds, microseconds, etc. Syntax DATEDIFF ( date-part, date-expression1, date-expression2) Parameters. Copy. MySQL displays DATETIME values in 'YYYY-MM-DD hh:mm:ss[. SELECT DATEDIFF(millisecond, GETDATE(), SYSDATETIME()); D. It comprises two 32-bit words — a date-part and a time-part — to form a structure that stores both date and time-of-day. DATEDIFF() is a function found in SQL Server and MySQL that calculates and returns the difference between two date values. sec AS pl_duration FROM pagelog CROSS APPLY ( SELECT DATEDIFF (s, pagelog_created, pagelog_end) ) x (sec) ; As you can see, first, the difference in seconds between pagelog_created and pagelog_end is taken, then the. SQL Server: -- Difference between Oct 02, 2011 and Jan 01, 2012 in years SELECT DATEDIFF (year, '2011-10-02', '2012-01-01'); -- Result: 1. Redshift DATEDIFF Function. It wraps from 59 to 00 so the function correctly returns 1. CalledDateTime) could be greater than 24 hours, if that is the case no "time only" style is going to display hours larger than 23. For example, Copy to clipboard. I have a separate program that writes in this row the current timedate like '2018-10-05 09:58:30. The number of dateparts separating two date/time instances is too large. We will use the below date for the examples. 2. expr1 and expr2 are date or date-and-time expressions. addition). MySQL displays DATETIME values in 'YYYY-MM-DD hh:mm:ss[. Difference in minutes from two time fields in MySQL. A string within single quote marks, in the format of 'YYYY-MM-DD[*HH:MI[:SS]]', where * can be a colon (:) or a blank space, or the. The current max precision of datetime2 (p) is (7) (from learn. But I would like to have the difference in seconds. Syntax. Some Post that i referred to: get datediff hours in decimal sql server. dbo. 36. But now MySQL supports millisecond/ microsecond precision with timestamp, datetime, and time. DATEDIFF의 경우: date_or_time_expr1 및 date_or_time_expr2 는 날짜, 시간 또는 타임스탬프일 수 있습니다. 800' select datediff(ms, @start, @end) The ms is the datepart abbreviation for milliseconds. MySQL has fractional seconds support for TIME , DATETIME, and TIMESTAMP values, with up to microseconds (6 digits) precision: To define a column that includes a fractional. DECLARE @MyDate DATE = '2015-08-27' ,@MyTime TIME = '15:33:21. If you google DateTime. 123') AS TimeDiffInMilliseconds; This query will return the time difference. util. Here is a Microsoft SQL function that returns UTC time in milliseconds (Milliseconds since 1970) its result is equal to Java. -- Get difference in days SELECT DATEDIFF ( dd, '2022-09-01', '2022-09-05'); # 4. In SQL Server, you can use DATEDIFF function to get the datetime difference in specified units. 3 milliseconds (ms). This can have results that you are not expecting. DateDiffMillisecond(DbFunctions, Nullable<TimeSpan>, Nullable<TimeSpan>) Counts the number of millisecond boundaries crossed between the startTimeSpan and endTimeSpan. select ( (unix_timestamp ('2017-12-26 14:35:19. For example. FFF is the number of fractional seconds. timePortion = DATEDIFF (millisecond, datePortion, sourceDate) so the macro to extract the time portion in SQL Server 2005 is: f (x) = DATEDIFF (millisecond, DATEADD (day, DATEDIFF (day,0, sourceDate ), 0), sourceDate) Now the query to compare the time portion of a DateTime field, with 12:30:50. , begin is a DATE value and end is a DATETIME value. CONVERT (float, DATEDIFF (ms, StartTime, GETDATE ()) / 1000. date_or_time_part 은. SELECT COUNT (*) FROM FOOD_ACTION WHERE DATEDIFF (MINUTE,INSERT_DT,GETDATE ()) <= 1. Where a time stamp is a numerical value representing the number of milliseconds from '1970-01-01 00:00:01' UTC (epoch) to the specified time. All Functions (Alphabetical). Replace the hardcoded timestamp for your actual column with unix-timestamp. You can simply use DateDiff. 09/12/2010 13:43:51. One day contains 86400 seconds and thus 86400000 milliseconds,. October 15, 2010 at 6:23 PM Post a Comment. g. Clock,. VB. currentTimeMilliseconds () RETURNS BIGINT WITH EXECUTE AS CALLER AS BEGIN DECLARE @t datetime = CONVERT (datetime, GETUTCDATE ()); DECLARE. Try to use datediff with a less precise datepart. GETDATE() returns a DATETIME with (apparently) a PRECISION to the millisecond, but, if you put it in a tight loop, you'll find the next different value returned is several milliseconds later; it can only return about 300 different values each second, as its RESOLUTION is only to about 3 or 4 milliseconds. GETUTCDATE () - returns the date and time of the machine the SQL Server. To correctly calculate elapsed time I use seconds divided by 60 for minutes and milliseconds divided by 1000 for seconds. If you want that to be millisecond based, it becomes a bit more complex as the datediff function in SQL Server is 32-bit integer based (i. 6207415. learn mysql tutorial. 5. total_seconds() * 1000. Returns the count (signed integer) of the specified datepart boundaries crossed between the specified startdate and enddate. there is one column Date_T having data type datetime. 1:15:35:025. I am trying to get a high precision difference of dates in SQL Server 2008 R2, and can't seem to fine anything but datediff, which gives the difference down to 3. # Convert timedelta object to Milliseconds. now i want to display total hours,minutes,sec. It doesn’t work for any of the. This page shows which . 673') AS "작업시간 (분단위)" 존재하지 않는 이미지입니다. We will look into some of the important DATE functions available in SQL Server - DATEADD, DATEDIFF, DATEPART, etc. . For minus sign: date_expr1, date_expr2 The values to compare. Now for d1. DateDiff in SQL. DATE_SUB () Subtract a time value (interval) from a date. To Test, if the milliseconds works I alter a existing value with: UPDATE DB. starttime and etime = [exceptions2]. If you're working with the string representation of a date, convert it to a DateTime or a DateTimeOffset value by using the static DateTime. ts. 1. For example, consider the following pattern. Multiply by 24 to get hours, and so on. I want the difference to be returned as: 02:45:00 and not only 02:00:00. 1. SQL Server does not. Syntax @DATEDIFF (' difference ', ' date ', ' date ') difference. Below is the SQL that I currently have and everything looks to be working except for the milliseconds. I've used 3000 milliseconds here as an example. 1 (for Linux, Unix and Windows) and above, this will work. To define a column that includes a fractional seconds part, use the syntax type_name ( fsp) , where type_name is TIME , DATETIME, or TIMESTAMP, and fsp is the fractional seconds precision. the datediff function returns the value in a INT datatype and in this case the value is too large to hold in INT. Corresponds to SQL Server's DATEDIFF(millisecond, @startDate, @endDate). Return the difference between two date values, in years: SELECT DATEDIFF (year, '2017/08/25', '2011/08/25') AS DateDiff; Try it Yourself ». The function returns the date and time values as UTC time (Coordinated Universal Time). Google uses a technique called leap smear on its servers, which, instead of adding an extra second, extend seconds prior to the end of the day by a few milliseconds each so that the day will last 1000 milliseconds longer. Corresponds to SQL Server's DATEDIFF(millisecond, @startDate, @endDate). VB. MySQL calculation minute using TIMEDIFF() 6. The second and third are dates. For example: SELECT DATEDIFF('hh','12/22/2021 8:15:23','12/31/2021 10:30:23') If you specify a date without a time, DATEDIFF defaults to time 00:00:00. You would ideally use the DATEDIFF_BIG() function which returns a bigint that allows for values up to 9,223,372,036,854,775,807 or ~9 Septillion. 1 Answer. types are related. mysql> SELECT UNIX_TIMESTAMP('2018-10-17 11:57:50') - UNIX_TIMESTAMP('2018-10-17 11:57:45') as DifferenceInSeconds; The following is the output in seconds. Example #1To display the millisecond component of a DateTime value. Share. One simplistic approach to measuring the "elapsed time" between events is to just grab the current date and time. Datediff was available starting from SQL server version 2008. LastUpdated >= fromDate && org. Switch to an inline table value function: DROP FUNCTION IF EXISTS [dbo]. Next, it converts that number to milliseconds and adds it to the milliseconds. adddate addtime curdate current_date current_time current_timestamp curtime date datediff date_add date_format date_sub day dayname dayofmonth dayofweek dayofyear extract from_days hour last_day localtime localtimestamp makedate maketime microsecond minute month monthname now period_add period_diff. SELECT DATEADD (DAY, -1, DATEADD (MONTH, DATEDIFF (MONTH,0,SYSDATETIME ())+3, 0)) The second argument to datediff () is a date. 923 to: 2008-10-21 19:59:15. DateDiff alternative in Linq. Divide the time difference by the number of milliseconds in a day to get a fractional. 4 and above. The MySQL NOW () function returns the current date and time in the configured time zone as a string or a number in the 'YYYY-MM-DD HH:MM:DD' or 'YYYYMMDDHHMMSS. Below is the SQL that I currently have and everything looks to be working except for the milliseconds. To accomplish this, we will utilize the rental table, which contains essential information about customer rentals, including the dates they rented. Teams. totalseconds,datetime. Returns the interval between two dates. First, a quick example of turning a "number of seconds" into the "hh:mm:ss" format. Convertint millisecond to date. If you try to use it to hold a time span, you'll usually encounter awkward edge cases that lead to issues (no support for negatives, values greater than 24 hours nor for e. Fisrtly we pass current_timestamp and first date value and return type SECOND as a parameters like : DATEDIFF ('SECOND', DATE '1970-01-01', CURRENT_TIMESTAMP ()) * 1000 the returned result is current_time's millisecond for us. Just convert the result in seconds to decimal and to milliseconds and nano sec. DECLARE @date datetime2 = '2021-01-07 14:36:17. 1. DATEDIFF in Hour:MIN format for DATETIME in SQL. Higher precision timestamp functions. The application passes in two parameters: a string representing. SELECT DATEDIFF (wk,'2012-09-01','2014-10-01') AS NoOfWeekends1. Source: MSSQL bigint Unix Timestamp to Datetime with milliseconds. I have a specific linq to entity query that is written like the following: var query = from orgs in orgBaseQuery. In SQL Server, you can use the T-SQL DATEDIFF() function to return the difference between two dates/times. Alias for DATEADD. The result is a signed integer value equal to date2 - date1 , in date parts. Fractional seconds are not rounded. The correct way of extracting miliseconds from a timestamp value on PostgreSQL accordingly to current documentation is: SELECT date_part ('milliseconds', current_timestamp); --OR SELECT EXTRACT (MILLISECONDS FROM current_timestamp); with returns: The seconds field, including fractional parts, multiplied. How can I create a LINQ2SQL query that doesn't use MILLISECOND in the call to DATEDIFF? 5. DIFFERENCE BETWEEN TWO DATES BY DATEDIFF_BIG. The DATEDIFF() function returns the difference between two dates. For example, the max difference for MILLISECONDS is: 24 days, 20 hours, 31 minutes and 23. The DATEDIFF function in SQL Server is used to calculate the difference between two dates. In this article: Syntax. SELECT DATEDIFF (millisecond, '2022-09-01 23:59:59. select datediff (qtr, '1998-07-01', current_date); date_diff ----------- 40 (1 row) The following example joins the SALES and LISTING tables to calculate how many days after they were listed any tickets were sold for listings 1000 through 1005. Using DATEDIFF() in MySQL. Clock < e1. time2: The second TIME or DATETIME value. Again, you need to divide by 1000 to get it to. xrmQueues WHERE DATEDIFF(DAY, CreateDateTime, GETDATE()) < 2 ) sub WHERE DATEDIFF(MS, CreateDateTime, GETDATE()) < 500 This leads to (german): Meldung 535: Die datediff-Funktion führte zu einem Überlauf.