"Sun, 04 Aug 2024 15:20:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240804
Only TIME
15:20:13
General datetime
2024-08-04 15:20:13Z
For Database
2024-08-04 15:20:13
For HTTP1.1
Sun, 04 Aug 2024 15:20:13 GMT