"Sun, 01 Sep 2024 04:15:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240901
Only TIME
04:15:18
General datetime
2024-09-01 04:15:18Z
For Database
2024-09-01 04:15:18
For HTTP1.1
Sun, 01 Sep 2024 04:15:18 GMT