Several Macros including the Today Macro take a Date Format String as an optional argument. This string can be a combination of ordinary text, with some special characters that get substituted by parts of the date:
  • DDD - day of week in full (eg, "Monday")
  • ddd - short day of week (eg, "Mon")
  • DD - day of month
  • 0DD - adds a leading zero
  • DDth - adds a suffix
  • WW - ISO-8601 week number of year
  • 0WW - adds a leading zero
  • MMM - month in full (eg, "July")
  • mmm - short month (eg, "Jul")
  • MM - month number
  • 0MM - adds leading zero
  • YYYY - full year
  • YY - two digit year
  • wYYYY - full year with respect to week number
  • wYY two digit year with respect to week number
  • hh - hours
  • 0hh - adds a leading zero
  • hh12 - hours in 12 hour clock
  • 0hh12 - hours in 12 hour clock with leading zero
  • mm - minutes
  • 0mm - minutes with leading zero
  • ss - seconds
  • 0ss - seconds with leading zero
  • am or pm - lower case AM/PM indicator
  • AM or PM - upper case AM/PM indicator

Examples

DDth MMM YYYY - 16th February 2011
DDth mmm hh:mm:ss - 16th Feb 2011 11:38:42
bag
tiddlywiki-com-ref_public
created
Wed, 16 Feb 2011 11:39:58 GMT
creator
colmbritton
modified
Mon, 21 Feb 2011 14:15:13 GMT
modifier
matt