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