"Sun, 15 Sep 2024 04:07:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
04:07:12
General datetime
2024-09-15 04:07:12Z
For Database
2024-09-15 04:07:12
For HTTP1.1
Sun, 15 Sep 2024 04:07:12 GMT