"Tue, 18 Jun 2024 19:30:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
19:30:01
General datetime
2024-06-18 19:30:01Z
For Database
2024-06-18 19:30:01
For HTTP1.1
Tue, 18 Jun 2024 19:30:01 GMT