"Fri, 20 Dec 2024 20:18:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
20:18:01
General datetime
2024-12-20 20:18:01Z
For Database
2024-12-20 20:18:01
For HTTP1.1
Fri, 20 Dec 2024 20:18:01 GMT