"Sat, 19 Oct 2024 13:21:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
13:21:21
General datetime
2024-10-19 13:21:21Z
For Database
2024-10-19 13:21:21
For HTTP1.1
Sat, 19 Oct 2024 13:21:21 GMT