"Fri, 20 Dec 2024 21:05:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
21:05:54
General datetime
2024-12-20 21:05:54Z
For Database
2024-12-20 21:05:54
For HTTP1.1
Fri, 20 Dec 2024 21:05:54 GMT