"Sat, 27 Jul 2024 08:38:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
08:38:12
General datetime
2024-07-27 08:38:12Z
For Database
2024-07-27 08:38:12
For HTTP1.1
Sat, 27 Jul 2024 08:38:12 GMT