"Sun, 01 Dec 2024 11:21:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
11:21:45
General datetime
2024-12-01 11:21:45Z
For Database
2024-12-01 11:21:45
For HTTP1.1
Sun, 01 Dec 2024 11:21:45 GMT