"Sat, 28 Sep 2024 21:49:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240928
Only TIME
21:49:15
General datetime
2024-09-28 21:49:15Z
For Database
2024-09-28 21:49:15
For HTTP1.1
Sat, 28 Sep 2024 21:49:15 GMT