"Tue, 18 Jun 2024 18:12:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
18:12:17
General datetime
2024-06-18 18:12:17Z
For Database
2024-06-18 18:12:17
For HTTP1.1
Tue, 18 Jun 2024 18:12:17 GMT