"Sun, 04 Aug 2024 20:18:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
20:18:23
General datetime
2024-08-04 20:18:23Z
For Database
2024-08-04 20:18:23
For HTTP1.1
Sun, 04 Aug 2024 20:18:23 GMT