"Sun, 01 Dec 2024 15:14:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
15:14:48
General datetime
2024-12-01 15:14:48Z
For Database
2024-12-01 15:14:48
For HTTP1.1
Sun, 01 Dec 2024 15:14:48 GMT