"Thu, 27 Jun 2024 20:17:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240627
Only TIME
20:17:21
General datetime
2024-06-27 20:17:21Z
For Database
2024-06-27 20:17:21
For HTTP1.1
Thu, 27 Jun 2024 20:17:21 GMT