"Sun, 18 Aug 2024 22:36:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
22:36:17
General datetime
2024-08-18 22:36:17Z
For Database
2024-08-18 22:36:17
For HTTP1.1
Sun, 18 Aug 2024 22:36:17 GMT