"Fri, 20 Dec 2024 21:06:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
21:06:01
General datetime
2024-12-20 21:06:01Z
For Database
2024-12-20 21:06:01
For HTTP1.1
Fri, 20 Dec 2024 21:06:01 GMT