"Sun, 12 May 2024 08:54:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
08:54:18
General datetime
2024-05-12 08:54:18Z
For Database
2024-05-12 08:54:18
For HTTP1.1
Sun, 12 May 2024 08:54:18 GMT