The Church of Jesus Christ of Latter-day Saints | Green Day | One Day International | New Year's Day | Boxing Day | Memorial Day | Seventh-day Adventist Church | Labor Day | Doris Day | Earth Day | May Day | Sandra Day O'Connor | Valentine's Day | Record Store Day | Mother's Day | flower | Ferris Bueller's Day Off | Bastille Day | Six-Day War | April Fools' Day | Australia Day | Father's Day | Brightest Day | Big Day Out | Macy's Thanksgiving Day Parade | Canada Day | Victory in Europe Day | Long Day's Journey into Night | Armistice Day | The Day After Tomorrow |
Other examples include main characters in Anohana: The Flower We Saw That Day, Hayate the Combat Butler, Jeff Beckhaus' Hikkomori and the Rental Sister (2013); Denpa Onna to Seishun Otoko, Castaway on the Moon (2009), Chaos;Head (the lead character Takumi Nishijō), and Robotics;Notes (the character Frau Koujiro).