"Sun, 16 Jun 2024 22:18:22"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
22:18:22
General datetime
2024-06-16 22:18:22Z
For Database
2024-06-16 22:18:22
For HTTP1.1
Sun, 16 Jun 2024 22:18:22 GMT