"Sun, 15 Sep 2024 17:10:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
17:10:35
General datetime
2024-09-15 17:10:35Z
For Database
2024-09-15 17:10:35
For HTTP1.1
Sun, 15 Sep 2024 17:10:35 GMT