"Sat, 19 Oct 2024 18:12:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
18:12:20
General datetime
2024-10-19 18:12:20Z
For Database
2024-10-19 18:12:20
For HTTP1.1
Sat, 19 Oct 2024 18:12:20 GMT