"Sun, 15 Sep 2024 08:35:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
08:35:52
General datetime
2024-09-15 08:35:52Z
For Database
2024-09-15 08:35:52
For HTTP1.1
Sun, 15 Sep 2024 08:35:52 GMT