"Sun, 18 Aug 2024 10:16:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
10:16:02
General datetime
2024-08-18 10:16:02Z
For Database
2024-08-18 10:16:02
For HTTP1.1
Sun, 18 Aug 2024 10:16:02 GMT