Here "our" refers to Ezekiel and the Israelites who have been in Babylon since the Babylonians forced King Jehoiachin to leave Jerusalem, but not to the reader. AT: "after we became captives" or "after the Babylonians took us as captives to Babylon" (See: [[rc://en/ta/man/translate/figs-explicit]] and [[rc://en/ta/man/translate/figs-exclusive]])
This is the first month of the Hebrew calendar. The tenth day is in April on Western calendars. (See: [[rc://en/ta/man/translate/translate-hebrewmonths]] and [[rc://en/ta/man/translate/translate-ordinal]])