"Thu, 15 Aug 2024 14:44:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
14:44:37
General datetime
2024-08-15 14:44:37Z
For Database
2024-08-15 14:44:37
For HTTP1.1
Thu, 15 Aug 2024 14:44:37 GMT