- 351st day of the year. There are then 14 days left in 2017.
- 51st Sunday of 2017.
- on the 51st week of 2017 (using US standard week number calculation).
- 87th day of Fall. There are 4 days left till Winter.
Dec 17 Zodiac Sign
December 17, 2017 Holidays and Popular Observances - United States
- 3rd Sunday of Advent
- December 17, 2017 is the 6th day of Hanukkah (Jewish Observance).
December 17, 2017 Popular National Holidays for other Countries
- Hanukkah 5th day (6 Candles) -