"Tue, 18 Jun 2024 22:39:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
22:39:19
General datetime
2024-06-18 22:39:19Z
For Database
2024-06-18 22:39:19
For HTTP1.1
Tue, 18 Jun 2024 22:39:19 GMT