"Wed, 25 Jun 2025 19:05:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250625
Only TIME
19:05:54
General datetime
2025-06-25 19:05:54Z
For Database
2025-06-25 19:05:54
For HTTP1.1
Wed, 25 Jun 2025 19:05:54 GMT