"Sat, 14 Sep 2024 09:51:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
09:51:42
General datetime
2024-09-14 09:51:42Z
For Database
2024-09-14 09:51:42
For HTTP1.1
Sat, 14 Sep 2024 09:51:42 GMT