The Bible does not name an angel Raguel; that claim comes from extra-biblical writings, not from inspired Scripture.
Why Was Zechariah Disciplined for Doubting Gabriel, but Mary Was Not?
Zechariah was disciplined for unbelief, but Mary was not because she asked in faith how God would act, not whether His word was true.
DANIEL 9:24-27 What Does the Bible Really Teach About the Seventy Weeks of Daniel’s Prophecy
Daniel 9:24-27 reveals a literal, divinely measured timetable leading to Messiah, His being cut off, and Jerusalem’s determined desolation.

