"Thu, 27 Jun 2024 16:21:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240627
Only TIME
16:21:37
General datetime
2024-06-27 16:21:37Z
For Database
2024-06-27 16:21:37
For HTTP1.1
Thu, 27 Jun 2024 16:21:37 GMT