"Sun, 18 Aug 2024 17:52:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
17:52:56
General datetime
2024-08-18 17:52:56Z
For Database
2024-08-18 17:52:56
For HTTP1.1
Sun, 18 Aug 2024 17:52:56 GMT