Returns the number of seconds between two dates.
Produces a DateTime object, given the time since epoch IN SECONDS.
Produces a DateTime object, given the time since epoch IN SECONDS. Note that most Java methods return TSE in milliseconds, so be careful.
Returns the current time, in the correct GMT time zone.
Parses an HTTP date according to http://tools.ietf.org/html/rfc7231#section-7.1.1.1
The GMT time zone.
Defines methods for parsing and formatting HTTP dates.