"Thu, 15 Aug 2024 21:36:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
21:36:54
General datetime
2024-08-15 21:36:54Z
For Database
2024-08-15 21:36:54
For HTTP1.1
Thu, 15 Aug 2024 21:36:54 GMT