Note: These features are coming soon once we release ClickUp 2.0! For information on release timeframes and other FAQs about 2.0, please click here.

ClickUp reads and provides dates in various formats during imports and exports. This doc explains the three formats you'll see. 


  • Day, date, time, timezone offset
  • English formatting
  • Due dates without specific times are technically due at 4am in the task creator's local timezone
  • Example: May 30, 2019 would be Monday, May 27th 2019, 4:00:00 am -07:00

ISO (International Standard)

  • Year, month, day, (T) time
  • Date numbers separated by a hyphen ("-")
  • Time numbers separated by a colon (":")
  • Date numbers less than 10 are preceded with a zero
  • Example: May 30, 2019 would be 2019-05-30T11:00:00.000Z


  • The number of milliseconds that have elapsed since January 1, 1970 
  • This format is the easiest for machines to read and perform calculations and comparisons with
  • Also known as Unix time, Unix epoch, or Unix timestamp
  • Amazing converting tool:
  • Example: May 30, 2019 would be 1559178061000
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