"Sun, 30 Jun 2024 14:39:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
14:39:30
General datetime
2024-06-30 14:39:30Z
For Database
2024-06-30 14:39:30
For HTTP1.1
Sun, 30 Jun 2024 14:39:30 GMT