How do I change the formatting of time and dates in Trello?

I'm looking to change the following:

  • time presentation to 24 hour clock instead of 12
  • date format to DD/MM/YY instead of MM/DD/YY?
  • 9
    This is absolutely essential, as most users outside of the US use the 24 hour clock and DD/MM/YYYY format. It's very frustrating having to spend time working out what date is being represented. – Bryan Feb 20 '12 at 20:14

Changing date formats is not currently possible. Selecting from the date picker will automatically format the date, though.

  • 1
    If I had 2 more rep points, I'd be able to -1 this, for the reason that I've posted above. – Bryan Feb 20 '12 at 20:16
  • 1
    I was just stating that it's not currently possible. It's something the team wants to support eventually. – Bobby Grace Feb 22 '12 at 15:28
  • 1
    not currently possible does kind of imply that, I must have missed the word 'currently' when I first read it, as I somehow got the impression it wasn't going to be implemented. Apologies and +1. – Bryan Feb 22 '12 at 15:47
  • But you can still set e.g. deadline time using 24h format, it accepts that too. – dolzenko Jan 13 '14 at 13:51
  • 1
    The problem with the 12 hours format is that is is at best ambiguous, at worst wrong: as explained on nist.gov/pml/div688/times.cfm#noon 00:00 should be formatted 12:00 midnight and 12:00 should be formatted 12:00 noon, as per the US NIST. However, currently (3 years after that answer), entering either 12:00 noon or 12:00 midnight is always translated as 12:00 pm, leaving the actual interpretation unknown. – FGM Jul 21 '14 at 8:55

Change your language settings to English (UK) in your Atlassian account and you will get 24-hour time settings.

  • Have you tested this? – serenesat Feb 16 '16 at 11:48
  • @serenesat That's work for me – Thaina Dec 13 '16 at 9:48
  • Or, in reverse. Change it to US to get 12-hour time – Ajay Oct 15 '17 at 21:23
  • I can confirm this works for me, too, also stated here: help.trello.com/article/813-a – Arda Aug 20 '19 at 21:36

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