"Sun, 16 Jun 2024 19:32:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
19:32:19
General datetime
2024-06-16 19:32:19Z
For Database
2024-06-16 19:32:19
For HTTP1.1
Sun, 16 Jun 2024 19:32:19 GMT