"Sun, 15 Sep 2024 19:01:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
19:01:37
General datetime
2024-09-15 19:01:37Z
For Database
2024-09-15 19:01:37
For HTTP1.1
Sun, 15 Sep 2024 19:01:37 GMT