On Wed, 2 Jul 2003, Laimonis Kavalieris wrote:
> Why is 19 March, 1947 a little longer than one day?
A change from Daylight Savings Time in your time zone (unstated),
according to your OS. Note, 0.04167 is exactly one hour, not `a little
longer'.
> x <- as.POSIXct("1947-04-16")
>
> julian(
Sorry about wasing time -
Apparently NZ daylisght saving time finished on March 20, 1947 , and on
March 3, 1980, and March 20, 2000 . I'm impressed that R knows all of this
Laimonis
--
Dr Laimonis Kavalieris
Department of Mathematics and Statistics
University of Otago
PO Box 56 Dunedin
New Zea
Why is 19 March, 1947 a little longer than one day?
x <- as.POSIXct("1947-04-16")
julian(x, origin = as.POSIXct("1947-03-20"))
Time difference of 27 days
julian(x, origin = as.POSIXct("1947-03-19"))
Time difference of 28.04167 days
> julian(x, origin = as.POSIXct("1947-03-18"))
Time difference o