"Sat, 12 Oct 2024 21:40:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241012
Only TIME
21:40:20
General datetime
2024-10-12 21:40:20Z
For Database
2024-10-12 21:40:20
For HTTP1.1
Sat, 12 Oct 2024 21:40:20 GMT