"Tue, 04 Jun 2024 21:04:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240604
Only TIME
21:04:00
General datetime
2024-06-04 21:04:00Z
For Database
2024-06-04 21:04:00
For HTTP1.1
Tue, 04 Jun 2024 21:04:00 GMT