"Sun, 11 Aug 2024 13:33:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
13:33:03
General datetime
2024-08-11 13:33:03Z
For Database
2024-08-11 13:33:03
For HTTP1.1
Sun, 11 Aug 2024 13:33:03 GMT