"Sun, 16 Jun 2024 15:50:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
15:50:25
General datetime
2024-06-16 15:50:25Z
For Database
2024-06-16 15:50:25
For HTTP1.1
Sun, 16 Jun 2024 15:50:25 GMT