"Mon, 21 Oct 2024 18:15:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
18:15:01
General datetime
2024-10-21 18:15:01Z
For Database
2024-10-21 18:15:01
For HTTP1.1
Mon, 21 Oct 2024 18:15:01 GMT