Day of the Week Calculator – What Day Is It?

Day of the Week Calculator Feature Image

Find Out What Day of the Week Any Date Lands On

July 7, 2025

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Planning a big day or digging into the past? Our Day of the Week Calculator makes it easy (and fun!) to find out what day of the week any date lands on: past, present, or future. Just pop in a date and get an instant answer. No mental math, no flipping through calendars. Just plug in the date and go!

How to Use the Day of the Week Calculator

Select the Month, Day, and Year from the dropdown menus.
Click Calculate to reveal the weekday.
Want to try a different date? Just hit Reset to clear the fields and start fresh.

Here are other ways you can use it:

Check when an upcoming birthday will fall.
Find out what day you (or your loved ones) were born.
Check which weekday Christmas lands on this year—or next.
Prep for travel—know the day of the week you'll arrive or return.
Figure out the day of the week for an upcoming wedding, graduation, or family reunion.
See if Friday the 13th is really as rare as it feels.
Check if your birthday ever lands on a weekend (party planning made easy).
Confirm that your cat really was born on a Caturday.
Discover if Leap Day babies get a real weekday birthday anytime soon.
Want to know what day the next palindromic date falls on? Pop it in.
Discover what day your great-grandparents got married or an ancestor was born.
Plan ahead—see if New Year's Day gives you a long weekend.
Set reminders for anniversaries or milestone birthdays that fall on a weekday.
Match a historical event to the exact day of the week it occurred.

Wit and Wisdom for Each Day of the Week

Sunday

If the sunset on Sunday is cloudy, it will rain before Wednesday. - Weather Proverb
It is unlucky to have a full Moon on a Sunday or a Saturday.
It is unlucky to put new sheets on a bed on Sunday.
It is lucky to set out to sea on Sunday.
If the Moon changes on a Sunday, there will be a flood before the month is out. - Lunar Folklore
According to the Thai Solar Calendar, Sunday is represented by the color red.
Sunday is the first day of the workweek in many Middle Eastern countries.
If you sneeze on a Sunday before breakfast, you’ll be in love forever.

Monday

It is lucky to have a full Moon on the "Moon day" (Monday).
In astrology, Monday is ruled by the Moon!
If a buzzard lands on your house on a Monday, you'll receive money soon. - Proverb
A visitor on Monday means visitors for three days that week. - Proverb
Monday is the most popular day of the week for people to start a diet or quit smoking. Check out our Best Days Calendar to see which days will help you be the most successful!
It is unlucky to give anything away on a Monday.
An old wives’ tale says that if you kill a pig on Monday, the pork will shrink when cooked and fail to be properly salted.

Tuesday

Tuesdays are unlucky days to wear a flower in your lapel.
An engagement ring purchased on a Tuesday will guarantee a marriage filled with peace and contentment. - Wedding Folklore
In Judaism, Tuesday is the luckiest day of the week.
Americans vote on Tuesdays. Learn why Tuesday was selected as Election Day.
Babies are born most often on Tuesdays.
It is unlucky to quarrel on a Tuesday.
Doing business deals on Tuesday results in good luck for both sides.
Not washing on Tuesday was once said to be a simple, albeit disgusting, way to get rid of a toothache.

Wednesday

Wednesday is a lucky day for weddings.
Wednesday clearing, clear till Sunday. - Weather Proverb
Quakers referred to Wednesday as “Fourth Day.”
In America, Wednesday is often called “Hump Day” because it marks the middle of the week.
In the Catholic tradition, Wednesday is dedicated to Saint Joseph.
Wednesday is the only day of the week with a silent letter in its spelling.
It is unlucky to wear gloves on a Wednesday.
Be sure to ask for favors on Wednesdays– they bring good luck!

Thursday

On Thursday at three, look out, and you'll see what Friday will be. - English proverb
It is unlucky to begin a new job on a Thursday.
In Sweden, Thursday has traditionally been known as “soup day,” when families enjoy a meal of pea soup and pancakes (ärtsoppa och pannkakor).
In many Romance languages, Thursday is named after the Roman god Jupiter, the deity of the sky and thunder. The symbol for the planet Jupiter (used in both astrology and astronomy) is also associated with Thursday.
Leave the jewelry at home! It is unlucky to wear rubies on Thursday.
Taking legal advice on a Thursday is lucky, as is making important decisions.
Thunder on a Thursday foretells plenty of corn, cattle, and sheep.

Friday

In a leap year, the weather always changes on Friday. - Weather Proverb
Friday dawns clear as a bell, rain on Sunday, sure as hell.- Weather Proverb
In astrology, Friday is associated with the planet Venus. Friday is also linked to the astrological signs Libra and Taurus.
Hit snooze! Making your bed on a Friday is considered unlucky.
Folklore says that to avoid dying, you should never rub soap on your skin on a Friday.
In early American history, Friday was avoided for weddings as it was considered the “hangman’s day.”
It is unlucky to cut your nails on a Friday.
“Now Friday came, you old wives say, of all the week’s the unluckiest day.” - 17th-century catechism

Saturday

A new moon on Saturday or Sunday is bad luck and predicts rain. - Weather Proverb
“If you want a neat wife, choose her on a Saturday.” - Benjamin Franklin
A Saturday's rainbow, a week's rotten weather.- Weather Proverb
In Israel, Saturday, known as Shabbat, is the official day of rest and is widely observed, with most government offices and businesses remaining closed.
In European folklore, Saturday was considered the best day for hunting vampires.
It is unlucky to start anything new on a Saturday.
On Saturday, it is lucky to talk about your dreams from Friday night that you want to come true. Learn why the week has seven days!