GMTOffsetFromTz {oce} | R Documentation |
The data are from http://www.timeanddate.com/library/abbreviations/timezones/ and were hand-edited to develop this code, so there may be errors. Also, note that some of these contradict; if you examine the code, you'll see some commented-out portions that represent solving conflicting definitions by choosing the more common timezone abbreviation over a the less common one.
GMTOffsetFromTz(tz)
tz |
a timezone, e.g. |
Number of hours in offset, e.g. AST
yields 4.
Dan Kelley
Other functions relating to time: decodeTime
library(oce) cat("Atlantic Standard Time is ", GMTOffsetFromTz("AST"), "hours after UTC")