"Sun, 18 Aug 2024 03:13:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
03:13:17
General datetime
2024-08-18 03:13:17Z
For Database
2024-08-18 03:13:17
For HTTP1.1
Sun, 18 Aug 2024 03:13:17 GMT