"Tue, 31 Dec 2024 18:18:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241231
Only TIME
18:18:45
General datetime
2024-12-31 18:18:45Z
For Database
2024-12-31 18:18:45
For HTTP1.1
Tue, 31 Dec 2024 18:18:45 GMT