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There are two types of datetime values:
day month year [bc] hour:minute:seconds timezone day is 1-31 month is jan,feb,...,dec year is 4 digit year [bc] if present, indicates dates is BC hour is 0-23 (24 hour clock) minute is 0-59 second is 0-59.9999 (fractions of second allowed) timezone is +hhmm or -hhmm (eg, -0600)
1994 [bc] Jan 1994 [bc] 15 jan 1000 [bc] 15 jan 1994 [bc] 10 [+0000] 15 jan 1994 [bc] 10:00 [+0100] 15 jan 1994 [bc] 10:00:23.34 [-0500]
[-] # years # months [-] # days # hours # minutes # seconds
2 years 5 months 2 years 5 months 100 days 15 hours 25 minutes 35.34 seconds 100 days 25 minutes 1000 hours 35.34 seconds
3 months 15 days 3 years 10 days
r.timestamp map=soils
r.timestamp map=soils date='15 sep 1987'
r.timestamp map=soils date='15 sep 1987/20 feb 1988'
r.timestamp map=soils date=none
Last changed: $Date: 2012-01-28 12:54:52 -0800 (Sat, 28 Jan 2012) $
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