"Sun, 01 Dec 2024 13:18:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
13:18:11
General datetime
2024-12-01 13:18:11Z
For Database
2024-12-01 13:18:11
For HTTP1.1
Sun, 01 Dec 2024 13:18:11 GMT