"Sun, 30 Jun 2024 15:14:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
15:14:14
General datetime
2024-06-30 15:14:14Z
For Database
2024-06-30 15:14:14
For HTTP1.1
Sun, 30 Jun 2024 15:14:14 GMT