"Sat, 28 Sep 2024 21:20:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240928
Only TIME
21:20:03
General datetime
2024-09-28 21:20:03Z
For Database
2024-09-28 21:20:03
For HTTP1.1
Sat, 28 Sep 2024 21:20:03 GMT