"Tue, 04 Jun 2024 18:15:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240604
Only TIME
18:15:11
General datetime
2024-06-04 18:15:11Z
For Database
2024-06-04 18:15:11
For HTTP1.1
Tue, 04 Jun 2024 18:15:11 GMT