Thank you for explantations. Best, Ervin. On 28 March 2018 at 17:17, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Laurenz Albe <laurenz.albe@xxxxxxxxxxx> writes: >> Ervin Weber wrote: >>> staging=# select now(), now() at time zone 'fubar+167'; >>> [works] >>> staging=# select now(), now() at time zone 'fubar+168'; >>> ERROR: time zone "fubar+168" not recognized > >> The cause of the error is the following code in src/timezone/localtime.c, >> in function "getsecs": > > Also note that that isn't our code; it's lock stock and barrel from the > IANA tzcode distribution, > https://www.iana.org/time-zones > > So we are (probably) not the only software that will behave like this. > > regards, tom lane