"Sun, 06 Jul 2025 19:05:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250706
Only TIME
19:05:31
General datetime
2025-07-06 19:05:31Z
For Database
2025-07-06 19:05:31
For HTTP1.1
Sun, 06 Jul 2025 19:05:31 GMT