"Tue, 17 Dec 2024 18:45:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241217
Only TIME
18:45:21
General datetime
2024-12-17 18:45:21Z
For Database
2024-12-17 18:45:21
For HTTP1.1
Tue, 17 Dec 2024 18:45:21 GMT