"Tue, 18 Jun 2024 18:02:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
18:02:14
General datetime
2024-06-18 18:02:14Z
For Database
2024-06-18 18:02:14
For HTTP1.1
Tue, 18 Jun 2024 18:02:14 GMT