Screen reader is not announcing proper information while navigating on dates of calendar.

[anmohanty123]

In the example component (https://wangzuo.github.io/input-moment/), when I manually set the tabindex as 0, Screen reader is not announcing proper information while navigating on dates of calendar.

Observation:
When focus moves to date of calendar then NVDA is announcing information like "1 row 2 column 1".
When focus moves to date of calendar then JAWS is announcing information like "1".
When focus moves to date of calendar then Narrator is announcing information like "1 column 1 of 7".

Expected Result:
Screen reader should announce proper information while navigating on dates of calendar. When focus moves to date of calendar then screen reader should announce information like "column header Monday row two column two 1".