"Tue, 18 Jun 2024 14:09:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
14:09:51
General datetime
2024-06-18 14:09:51Z
For Database
2024-06-18 14:09:51
For HTTP1.1
Tue, 18 Jun 2024 14:09:51 GMT