This article will show you how to convert date time from one time zone to another in Excel. How to convert date time from one time zone to another in Excel? The above formula converts 10-digits number to a standard datetime, if you want to convert 11-digits number, or 13-digits number, or 16-digits number to a standard datetime in Excel, please use formula as below:Ĭonvert 11-digits number to date: =A1/864000+DATE(1970,1,1)Ĭonvert 13-digits number to date: =A1/86400000+DATE(1970,1,1)Ĭonvert 16-digits number to date: =A1/86400000000+DATE(1970,1,1)įor different lengths of number which needed to be converted to datetime, just change the number of zeros of the divisor in the formula to correctly get the result. This formula also can use to convert timestamp series to date and time, just format the result to the date and time format.ģ. A1 indicates the timestamp cell you need.Ģ. Click OK, now you can see the Unix timestamps have been converted to dates.ġ. Then right click the cells used the formula, and select Format Cells from the context menu, then in the popping Format Cells dialog, under N umber tab, click Date in the Category list, then select the date type in the right section.ģ. In a blank cell next to your timestamp list and type this formula =(((A1/60)/60)/24)+DATE(1970,1,1), press Enter key, then drag the auto fill handle to a range you need.Ģ. If you have a list of timestamp needed to convert to date, you can do as below steps:ġ. Tips: In the formula, A1 is the date and time cell, C1 is the coordinate universal time you typed. Then type this formula =(A1-$C$1)*86400 into a cell, press Enter key, then if you need, drag the autofill handle to a range with this formula. Firstly, you need to type the Coordinated Universal Time into a cell. There is a formula that can help you convert date and time to Unix timestamp.ġ. Resulting erroneous calculations on such systems are likely to cause problems for users and other reliant parties.Click to download and have a 30-day free trial This reports a maximally negative number, and continues to count up, towards zero, and then up through the positive integers again. This is caused by integer overflow, during which the counter runs out of usable digit bits, and flips the sign bit instead. Programs that attempt to increment the time beyond this date will cause the value to be stored internally as a negative number, which these systems will interpret as having occurred at 20:45:52 on Friday, 13 December 1901 (2,147,483,648 seconds before 1 January 1970) rather than 19 January 2038. The latest time since 1 January 1970 that can be stored using a signed 32-bit integer is 03:14:07 on Tuesday, 19 January 2038 (231-1 = 2,147,483,647 seconds after 1 January 1970). Similar to the Y2K problem, the Year 2038 problem is caused by insufficient capacity used to represent time. Such implementations cannot encode times after 03:14:07 UTC on 19 January 2038. The Year 2038 problem (also called Y2038, Epochalypse, Y2k38, or Unix Y2K) relates to representing time in many digital systems as the number of seconds passed since 00:00:00 UTC on 1 January 1970 and storing it as a signed 32-bit integer. Due to this treatment Unix time is not a true representation of UTC. It is the number of seconds that have elapsed since the Unix epoch, minus leap seconds the Unix epoch is 00:00:00 UTC on 1 January 1970 (an arbitrary date) leap seconds are ignored,with a leap second having the same Unix time as the second before it, and every day is treated as if it contains exactly 86400 seconds. Unix time (also known as Epoch time, POSIX time,seconds since the Epoch,or UNIX Epoch time) is a system for describing a point in time. ![]() Seconds Convert Human date to Timestamp → Unix Timestamp
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