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This tutorial will demonstrate how to add minutes to a time in Excel and Google Sheets.
In Excel, time is stored as a fractional value where each 1/24th represents one hour of the day. So each 1/1440 represents one minute of the day (24 hours * 60 minutes/hour = 1440 minutes).
To add a minute add 1/1440 to a time
or 59/1440 to add 59 minutes:
Add Minute to Now
To add a minute to the current time, add 1/1440 to the NOW Function:
Add Minutes Google Sheets
All of the above examples work exactly the same in Google Sheets as in Excel.