"Brandon Aiken" <BAiken@xxxxxxxxxxxxxxx> writes: > What about time zones like Tehran (GMT+3:30), Kabul (GMT+4:30), Katmandu > (GMT+5:45) and other non-cardinal-hour GMT offsets? Is this handled in > some *documented* way already? Sure. This has worked since PG 7.2 or so: regression=# select '12:34:00 IRT'::timetz; timetz ---------------- 12:34:00+03:30 (1 row) Also you can just do regression=# select '12:34:00 +03:30'::timetz; timetz ---------------- 12:34:00+03:30 (1 row) regression=# The weird thing about this allegedly-POSIX notation is the combination of a symbolic name and a further offset from it. Back when we didn't have customizable timezone abbreviations, maybe there would be some point in making that work, but I don't see the point now. I'm not entirely convinced that it really is a POSIX-sanctioned notation, either --- the POSIX syntax the zic code knows about is different. regards, tom lane