"Sun, 23 Jun 2024 13:32:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
13:32:16
General datetime
2024-06-23 13:32:16Z
For Database
2024-06-23 13:32:16
For HTTP1.1
Sun, 23 Jun 2024 13:32:16 GMT