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Time stamp field
JabRef can optionally set a field to contain the date an entry was added to the database.
You can disable or enable this feature by entering File → Preferences → General, and selecting/deselecting the line 'Mark new entries with addition date'.
If an entry with a timestamp is pasted or imported, the field is updated with the current date if 'Overwrite' is checked. The value of the timestamp field will be updated upon changes in the entry if 'Update timestamp on modification' is checked.
By default, the date is added in a field called 'timestamp', which is visible in the General fields tab in the entry editor. You can alter the name of this field. The date format can also be customized (see below).
You can manually alter the value by typing in the date and time of your choice. Also, by clicking on the calendar icon located at the right end of the field, you can select the date you want in a calendar.
Screenshot of the calendar
The formatting of the time stamp is determined by a string containing designator words that indicate the position of the various parts of the date.
These are some of the available designator letters (examples are given in parentheses for Wednesday 14th of September 2005 at 5.45 PM):
- yy: year (05)
- yyyy: year (2005)
- MM: month (09)
- dd: day in month (14)
- HH: hour in day (17)
- mm: minute in hour (45)
These designators can be combined along with punctuation and whitespace. A couple of examples:
- yyyy.MM.dd gives 2005.09.14
- yy.MM.dd gives 05.09.14
- yyyy.MM.dd HH:mm gives 2005.09.14 17:45