date adapter support for other calendars

[saeidi-dev]

What problem does this feature solve?

This problem feature will be useful for many programmers who use a calendar other than the Gregorian calendar. Like Jalali, Islamic Civil, Islamic Umm al-Qura, Hebrew, Buddhist

What does the proposed API look like?

Please add date adapter support for other calendars to the framework, this feature would be very efficient and useful.

[MohammadMobasher]

good feature..., please develop it.

[ali-memar]

very useful👍

[Doesystem]

good feature