"Sat, 25 Jan 2025 23:47:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
23:47:36
General datetime
2025-01-25 23:47:36Z
For Database
2025-01-25 23:47:36
For HTTP1.1
Sat, 25 Jan 2025 23:47:36 GMT