What day of the week was 30th June 1966?

To determine the day of the week for June 30, 1966, we can use the Zeller's Congruence algorithm, which is a formula to calculate the day of the week for any date. By applying this formula, we find that June 30, 1966, was a Thursday. This algorithm takes into account the day of the week, month, year, and century to calculate the result accurately.