"Sun, 08 Sep 2024 20:18:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240908
Only TIME
20:18:11
General datetime
2024-09-08 20:18:11Z
For Database
2024-09-08 20:18:11
For HTTP1.1
Sun, 08 Sep 2024 20:18:11 GMT