"Sun, 30 Jun 2024 15:37:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
15:37:42
General datetime
2024-06-30 15:37:42Z
For Database
2024-06-30 15:37:42
For HTTP1.1
Sun, 30 Jun 2024 15:37:42 GMT