"Sun, 09 Jun 2024 18:35:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
18:35:12
General datetime
2024-06-09 18:35:12Z
For Database
2024-06-09 18:35:12
For HTTP1.1
Sun, 09 Jun 2024 18:35:12 GMT