"Sat, 07 Jun 2025 19:05:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250607
Only TIME
19:05:34
General datetime
2025-06-07 19:05:34Z
For Database
2025-06-07 19:05:34
For HTTP1.1
Sat, 07 Jun 2025 19:05:34 GMT