"Sun, 15 Sep 2024 13:41:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
13:41:37
General datetime
2024-09-15 13:41:37Z
For Database
2024-09-15 13:41:37
For HTTP1.1
Sun, 15 Sep 2024 13:41:37 GMT