"Mon, 21 Oct 2024 18:25:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
18:25:20
General datetime
2024-10-21 18:25:20Z
For Database
2024-10-21 18:25:20
For HTTP1.1
Mon, 21 Oct 2024 18:25:20 GMT