"Sun, 30 Jun 2024 14:40:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
14:40:12
General datetime
2024-06-30 14:40:12Z
For Database
2024-06-30 14:40:12
For HTTP1.1
Sun, 30 Jun 2024 14:40:12 GMT