"Tue, 18 Jun 2024 19:12:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
19:12:27
General datetime
2024-06-18 19:12:27Z
For Database
2024-06-18 19:12:27
For HTTP1.1
Tue, 18 Jun 2024 19:12:27 GMT