"Sun, 18 Aug 2024 14:02:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
14:02:01
General datetime
2024-08-18 14:02:01Z
For Database
2024-08-18 14:02:01
For HTTP1.1
Sun, 18 Aug 2024 14:02:01 GMT