"Sun, 23 Jun 2024 17:18:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
17:18:16
General datetime
2024-06-23 17:18:16Z
For Database
2024-06-23 17:18:16
For HTTP1.1
Sun, 23 Jun 2024 17:18:16 GMT