"Sun, 01 Sep 2024 12:48:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240901
Only TIME
12:48:21
General datetime
2024-09-01 12:48:21Z
For Database
2024-09-01 12:48:21
For HTTP1.1
Sun, 01 Sep 2024 12:48:21 GMT