"Sun, 15 Sep 2024 03:14:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
03:14:39
General datetime
2024-09-15 03:14:39Z
For Database
2024-09-15 03:14:39
For HTTP1.1
Sun, 15 Sep 2024 03:14:39 GMT