"Fri, 20 Sep 2024 14:23:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
14:23:09
General datetime
2024-09-20 14:23:09Z
For Database
2024-09-20 14:23:09
For HTTP1.1
Fri, 20 Sep 2024 14:23:09 GMT