"Fri, 20 Dec 2024 13:40:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
13:40:33
General datetime
2024-12-20 13:40:33Z
For Database
2024-12-20 13:40:33
For HTTP1.1
Fri, 20 Dec 2024 13:40:33 GMT