"Sun, 18 Aug 2024 16:32:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
16:32:33
General datetime
2024-08-18 16:32:33Z
For Database
2024-08-18 16:32:33
For HTTP1.1
Sun, 18 Aug 2024 16:32:33 GMT