"Sat, 25 Jan 2025 14:21:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
14:21:49
General datetime
2025-01-25 14:21:49Z
For Database
2025-01-25 14:21:49
For HTTP1.1
Sat, 25 Jan 2025 14:21:49 GMT