'Around 500 Indian astronomer Aryabhata was one of the first to mark this as the start of a day'
midnight
THE FIRST MILLENNIUM A.D.: Around 500 Indian astronomer Aryabhata was one of the first to mark this as the start of a day
Around 500 Indian astronomer Aryabhata was one of the first to mark this as the start of a day
Around 500 Indian astronomer Aryabhata was one of the first to mark this as the start of a day
THE FIRST MILLENNIUM A.D.
midnight
THE FIRST MILLENNIUM A.D.