"Sun, 30 Jun 2024 13:44:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
13:44:18
General datetime
2024-06-30 13:44:18Z
For Database
2024-06-30 13:44:18
For HTTP1.1
Sun, 30 Jun 2024 13:44:18 GMT