Last updated on December 8th, 2025
Ever get caught up in how to spell or punctuate the name of a holiday? Fret no more. See the list below.
The Chicago Manual of Style (CMOS) lists the following secular and religious holidays, officially designated days, and seasons:
- All Fools’ Day
- Black History Month
- Christmas Day
- D-Day
- Diwali
- Earth Day
- Election Day
- Father’s Day
- Flag Day
- the Fourth of July, the Fourth
- Good Friday
- Halloween
- Hanukkah
- Holy Week
- Inauguration Day
- Independence Day
- Indigenous Peoples’ Day
- Juneteenth
- Kwanzaa
- Labor Day
- Lent
- Lincoln’s Birthday
- Martin Luther King Jr. Day
- Memorial Day
- Mother’s Day
- National Poetry Month
- New Year’s Day
- New Year’s Eve
- Nowruz
- Passover
- Presidents’ Day
- Ramadan
- Remembrance Day (Commonwealth)
- Rosh Hashanah
- Saint Patrick’s Day
- Thanksgiving Day
- Veterans Day
- Yom Kippur
- Yuletide
but
- a bank holiday
You can find this list in the 18th edition of CMOS in section 8.90 (“Holidays”).
Sincerely,
Rita
Nice article adiwn and i like it.
Thanks for your blog, nice to read. Do not stop.