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For example, 2021-01-16T00:21:24.355Z
results in 1610756484.
You can double-check the calculation by entering the value into an online epoch validator and verifying that it matches the value provided in the report.
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Note |
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The formulas given below assume a base date of 1900-01-01, which is always the case for Excel on Windows and sometimes the case for Excel on a Mac. If you are using a version of Excel that uses a base date of 1904-01-01, either change |
For example, in the Publishing report, the StartTimestamp (currently column Q) formula would be:
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=(DATE(LEFT(R2,4),MID(R2,6,2),MID(R2,9,2))+TIME(MID(R2,12,2),MID(R2,15,2),MID(R2,18,2))-25569)*86400
You can double-check the calculation by entering the value into an online epoch validator and verifying that it matches the value provided in the report.
Make sure the validator you choose is set to use UTC as the basis for the human-readable output.
Excel Date or Time
This is similar to the above, but the resulting value will be in Excel date format (i.e., the number of days since the base date). The output shown in the cell will depend on whether you have the Excel cell set to be a Date or Time. To convert this timestamp into something that can be manipulated in Excelthe number format of the cell, and can be manipulated in Excel as you would any other date.
To convert the timestamp to an Excel date, you can use an Excel formula such as:
=(DATE(LEFT(Q2,4),MID(Q2,6,2),MID(Q2,9,2))+TIME(MID(Q2,12,2),MID(Q2,15,2),MID(Q2,18,2)))
This output can be validated by comparing it to the input timestamp, as it is more human-readable than the UNIX epoch. For example, 2021-01-13T18:34:47.223Z
results in a value of 44209.77416
, and changing the cell’s number format to Date Time results in 1/13/21 6:34 PM
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Instructions
Copy the formulas into the last columns of the downloaded report.
Copy the formulas down the columns and make sure that the cell references increment correctly (e.g., cell AK34 references cell Q34).
Use the values to find durations, convert to other time formats, and so on.
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