"Sun, 18 Aug 2024 02:56:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
02:56:57
General datetime
2024-08-18 02:56:57Z
For Database
2024-08-18 02:56:57
For HTTP1.1
Sun, 18 Aug 2024 02:56:57 GMT