"Sun, 26 May 2024 14:12:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240526
Only TIME
14:12:03
General datetime
2024-05-26 14:12:03Z
For Database
2024-05-26 14:12:03
For HTTP1.1
Sun, 26 May 2024 14:12:03 GMT