"Sat, 13 Jul 2024 23:18:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
23:18:31
General datetime
2024-07-13 23:18:31Z
For Database
2024-07-13 23:18:31
For HTTP1.1
Sat, 13 Jul 2024 23:18:31 GMT