Oman National Day 2019 Holidays Calendar When: November 18, 2019 all-day Repeats 2019-11-18T00:00:00+04:00 2019-11-19T00:00:00+04:00 Holidays Oman National Day Dates are 18th November and 19th November. Oman National Day Holidays 2019 Will be announced officially by ministry in November 2019
