"Sun, 11 Aug 2024 21:05:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
21:05:23
General datetime
2024-08-11 21:05:23Z
For Database
2024-08-11 21:05:23
For HTTP1.1
Sun, 11 Aug 2024 21:05:23 GMT