=?UTF-8?Q?Umut_TEK=C4=B0N?= <umuttechin@gmail.com> writes:
> I think I found a bug about time zones.
You're just confused about the signs of timezone offsets.
"UTC-7" is read as POSIX notation so that it means 7 hours
east of Greenwich, not west where Denver is. See
https://www.postgresql.org/docs/current/datetime-posix-timezone-specs.html
regards, tom lane