"Sun, 18 Aug 2024 03:13:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
03:13:14
General datetime
2024-08-18 03:13:14Z
For Database
2024-08-18 03:13:14
For HTTP1.1
Sun, 18 Aug 2024 03:13:14 GMT