Days, months, and holidays are always capitalized as these are proper nouns.

The first day of the week varies all over the world. In most cultures, Sunday is regarded as the first day of the week although many observe Monday as the first day of the week.

A year roughly adds up to 52 weeks of seven days.

Days of the week and weekdays are NOT the same:
The days of the week are all 7 days from Monday to Sunday. But weekdays are only the 5 days from Monday to Friday. And the weekend is Saturday and Sunday.

Monday (Mon., Mo.)
Tuesday (Tue., Tu.)
Wednesday (Wed., We.)
Thursday (Thu., Th.)
Friday (Fri., Fr.)
Saturday (Sat., Sa.)
Sunday (Sun., Su.)

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A year has 365 days divided into 12 months in the modern day Gregorian calendar. Each month has either 28, 30 or 31 days during the common year. Nearly every 4 years is a leap year with 366 days because we add an extra (intercalary) day at the end of February, the leap day on 29 February.

1. January (31 days)
2. February (28 days, 29 in leap years)
3. March (31 days)
4. April (30 days)
5. May (31 days)
6. June (30 days)
7. July (31 days)
8. August (31 days)
9. September (30 days)
10. October (31 days)
11. November (30 days)
12. December (31 days)

spring summer fall winter


The four seasons are spring, summer, fall (autumn) and winter.

The Earth spins on its axis every day, making a complete turn. When the Earth is facing the sun, it’s day. When the Earth is turned away from the Sun, it’s night for that part of the globe.

In addition to this daily turning, the Earth also travels around the Sun once every year. As the Earth travels, its position in relation to the Sun changes. Sometimes, the Earth is tilting towards the Sun, which causes summer. When the Earth is tilted away from the Sun, winter comes. When the northern part of the Earth moves away from the Sun, the southern part of the Earth is experiencing summer.

Winter officially begins in the North on December 21 or 22. This is the shortest day of the year. Summer begins on June 20 or 21, the longest day of the year. Spring and fall equinoxes have days and nights that are equal in length. Spring equinox occurs on March 20. Fall equinox occurs on September 22 or 23.

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