"Thu, 16 Jan 2025 21:35:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250116
Only TIME
21:35:04
General datetime
2025-01-16 21:35:04Z
For Database
2025-01-16 21:35:04
For HTTP1.1
Thu, 16 Jan 2025 21:35:04 GMT