"Thu, 13 Jun 2024 23:21:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240613
Only TIME
23:21:00
General datetime
2024-06-13 23:21:00Z
For Database
2024-06-13 23:21:00
For HTTP1.1
Thu, 13 Jun 2024 23:21:00 GMT