"Sat, 25 Jan 2025 06:48:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250125
Only TIME
06:48:04
General datetime
2025-01-25 06:48:04Z
For Database
2025-01-25 06:48:04
For HTTP1.1
Sat, 25 Jan 2025 06:48:04 GMT