get_dates_from_POSIXct: Get the time information from POSIXct times

Description Usage Arguments Details Value Author(s) References See Also Examples

Description

This function, for each input date, gets the year, month, day, and hourmin from a POSIXct date (which is the # of seconds from "1970-01-01 00:00.00 UTC"). Returns a formatted date in data.frame format

Usage

1
  get_dates_from_POSIXct(POSIX_ct_dates)

Arguments

POSIX_ct_dates

list of POSIXct dates

Details

The function contains a check for singe dates. This is a version of get_dates_from_POSIXct for use with a list of input POSIXct dates, rather than a single date.

Value

dtf data.frame containing year, month, day, julian day, and hourmin / sec

Author(s)

Nicholas J. Matzke matzke@berkeley.edu

References

Ackerman S, Frey R, Strabala K, Liu Y, Gumley L, Baum B and Menzel P (2010). "Discriminating clear-sky from cloud with MODIS algorithm theoretical basis document (MOD35)." MODIS Cloud Mask Team, Cooperative Institute for Meteorological Satellite Studies, University of Wisconsin - Madison. <URL: http://modis-atmos.gsfc.nasa.gov/_docs/MOD35_ATBD_Collection6.pdf>.

GoldsmithMatzkeDawson2013

See Also

get_date_from_POSIXct

make_POSIXct_date

Examples

1
2
POSIX_ct_dates = c(10000000, 20000000)
get_dates_from_POSIXct(POSIX_ct_dates)


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