"Sun, 15 Sep 2024 19:13:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
19:13:48
General datetime
2024-09-15 19:13:48Z
For Database
2024-09-15 19:13:48
For HTTP1.1
Sun, 15 Sep 2024 19:13:48 GMT