"Sat, 27 Jul 2024 02:23:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
02:23:21
General datetime
2024-07-27 02:23:21Z
For Database
2024-07-27 02:23:21
For HTTP1.1
Sat, 27 Jul 2024 02:23:21 GMT