| Christmas | |  |
| Constitution Day | | |
| Christmas Day | | |
| Grav Mass Day | | |
| A'phabet Day or No "L" Day | | |
| National Pumpkin Pie Day | | |
| Boxing Day | | |
| Family Day | | |
| Synaxis of the Mother of God | | |
| Independence and Unity Day | | |
| Day of Goodwill | | |
| National Day of Thanksgiving | | |
| Proclamation Day | | |
| National Candy Cane Day | | |
| National Thank You Note Day | | |
| National Whiner’s Day | | |
| Kwanzaa (1st Day) | | |
| Day After Christmas Day | | |
| St. Stephen's Day | | |
| Second Day of Christmas | | |
| Constitution Day | | |
| National Fruitcake Day | | |
| Christmas Holiday | | |
| Visit The Zoo Day | | |
| Make Cut-Out Snowflakes Day | | |
| International Day Of Epidemic Preparedness | | |
| Holy Innocents | | |
| Day of the Holy Innocents | | |
| Republic Day | | |
| National Short Film Day | | |
| National Chocolate Candy Day | | |
| National Card Playing Day | | |
| Pledge of Allegiance Day | | |
| Feast of the Holy Family | | |
| Incwala Day | | |
| National Call A Friend Day | | |
| Independence Day | | |
| National Pepper Pot Day | | |
| Tick Tock Day | | |
| Christmas Holiday observed | | |
| Day of the Declaration of Slovakia as an Independent Ecclesiastic Province | | |
| National Bacon Day | | |
| National Bicarbonate of Soda Day | | |
| Falling Needles Family Fest Day | | |
| Asarah B'Tevet | | |
| Rizal Day | | |
| Watch Night | | |
| Festival Day | | |
| December 31 Bank Holiday | | |
| National Champagne Day | | |
| Make Up Your Mind Day | | |
| No Interruptions Day | | |
| New Year's Eve | | |
| Restoration Day | | |
| Unlucky Day | | |
| New Year's Day | | |
| Liberation Day | | |
| Republic Day/New Year's Day | | |
| New Year's Day/Independence Day | | |
| Republic Day | | |
| Restoration of the Czech Independence Day | | |
| Independence Day | | |
| Polar Bear Plunge Day | | |
| National Hangover Day | | |
| National Bloody Mary Day | | |
| Diet Resolution Week | | |
| National Silent Record Week | | |
| Celebration Of Life Week | | |
| New Year’s Resolutions Week | | |
| National Mentoring Month | | |
| National CBD Month | | |
| National Bath Safety Month | | |
| National Black Diamond Month | | |
| National Blood Donor Month | | |
| National Braille Literacy Month | | |
| National Hobby Month | | |
| National Hot Tea Month | | |
| National Oatmeal Month | | |
| National Slavery And Human Trafficking Prevention Month | | |
| National Slow Cooking Month | | |
| National Soup Month | | |
| National Sunday Supper Month | | |
| Global Family Day | | |
| Public Domain Day | | |
| National First Foot Day | | |
| Apple Gifting Day | | |
| Z Day | | |
| Ring A Bell Day | | |
| Copyright Law Day | | |
| Euro Day | | |
| Commitment Day | | |
| National Menudo Month | | |
| Universal Hour Of Peace | | |
| Ginuary | | |
| National Clean Up Your Computer Month | | |
| Dry January | | |
| International Brainteaser Month | | |
| Manuary | | |
| Get A Balanced Life Month | | |
| Celebration Of Life Month | | |
| International Creativity Month | | |
| Veganuary Month | | |
