"Tue, 18 Jun 2024 23:19:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
23:19:00
General datetime
2024-06-18 23:19:00Z
For Database
2024-06-18 23:19:00
For HTTP1.1
Tue, 18 Jun 2024 23:19:00 GMT