"Sun, 01 Sep 2024 10:21:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240901
Only TIME
10:21:20
General datetime
2024-09-01 10:21:20Z
For Database
2024-09-01 10:21:20
For HTTP1.1
Sun, 01 Sep 2024 10:21:20 GMT