"Tue, 18 Jun 2024 16:39:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
16:39:27
General datetime
2024-06-18 16:39:27Z
For Database
2024-06-18 16:39:27
For HTTP1.1
Tue, 18 Jun 2024 16:39:27 GMT