timestamp:

Timestamp (8 byte, float or int) (microseconds (int) or seconds
(float) before or after 'midnight' 2000-01-01; does not fit range?)


timestamptz:

TimestampTz (8 byte, float or int) (as timestamp)


interval:

TimeOffset (8 byte, float or int) (microseconds (int) or seconds (float))

int32                (days)

int32                (months)


time:

TimeADT (8 byte, float or int) (microseconds (int) or seconds (float) ?)


timetz (don't implement?):

TimeADT (8 byte, float or int) (microseconds (int) or seconds (float) ?)

int32                 (timezone in seconds)


date:

int32