"Sun, 04 Aug 2024 08:12:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
08:12:21
General datetime
2024-08-04 08:12:21Z
For Database
2024-08-04 08:12:21
For HTTP1.1
Sun, 04 Aug 2024 08:12:21 GMT