"Sun, 15 Sep 2024 04:32:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
04:32:02
General datetime
2024-09-15 04:32:02Z
For Database
2024-09-15 04:32:02
For HTTP1.1
Sun, 15 Sep 2024 04:32:02 GMT