"Sun, 04 Aug 2024 21:21:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
21:21:47
General datetime
2024-08-04 21:21:47Z
For Database
2024-08-04 21:21:47
For HTTP1.1
Sun, 04 Aug 2024 21:21:47 GMT