"Sun, 30 Jun 2024 18:40:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
18:40:35
General datetime
2024-06-30 18:40:35Z
For Database
2024-06-30 18:40:35
For HTTP1.1
Sun, 30 Jun 2024 18:40:35 GMT