"Tue, 18 Jun 2024 22:15:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
22:15:18
General datetime
2024-06-18 22:15:18Z
For Database
2024-06-18 22:15:18
For HTTP1.1
Tue, 18 Jun 2024 22:15:18 GMT