"Sun, 08 Jun 2025 19:05:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250608
Only TIME
19:05:31
General datetime
2025-06-08 19:05:31Z
For Database
2025-06-08 19:05:31
For HTTP1.1
Sun, 08 Jun 2025 19:05:31 GMT