"Sun, 30 Jun 2024 18:55:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
18:55:14
General datetime
2024-06-30 18:55:14Z
For Database
2024-06-30 18:55:14
For HTTP1.1
Sun, 30 Jun 2024 18:55:14 GMT