"Fri, 13 Dec 2024 18:44:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241213
Only TIME
18:44:38
General datetime
2024-12-13 18:44:38Z
For Database
2024-12-13 18:44:38
For HTTP1.1
Fri, 13 Dec 2024 18:44:38 GMT