"Sun, 18 Aug 2024 10:38:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
10:38:24
General datetime
2024-08-18 10:38:24Z
For Database
2024-08-18 10:38:24
For HTTP1.1
Sun, 18 Aug 2024 10:38:24 GMT