Topic: Week


Summary

A Week is a unit of Time equal to 7 days.

In some contexts a week begins and ends on specific days. (Which day the week begins and ends on varies from language to language and culture to culture.)

Days of the Week

The days of the week are named the following in English...

  1. Sunday
  2. Monday
  3. Tuesday
  4. Wednesday
  5. Thursday
  6. Friday
  7. Saturday

(Other languages use different names.)

Ordering of the Days of the Week

Some traditions have the beginning of the week starting on Sunday and ending on Saturday. Other traditions have the week beginning on Monday and ending on Sunday. And even other traditions have the week beginning on Saturday and ending on Friday.

Naming of the Days of the Week

The naming of the days of the week, across various languages, mostly fit into two different categories: numerical and celestial.

Numerical Naming of the Days of the Week

Many languages have numerical names for the days of the week. Or more specifically, for most the days of the week (since many of these have one or two of the days that aren't numerically named.)

(So that the names of the week basically literally mean: "1st day of the week", "2nd day of the week", ..., "7th day of the week".)

Note that the various numerically named days of the weeks different on which day is the first day of the week. Some of these have what English calls Sunday as the first day of the week. Others have what English calls Monday as the first day of the week. And one even has what English calls Saturday as the first day of the week.

Here are some examples of numerically named days of the week, with what English calls Sunday as the first day of the week...

Language Days of the Week
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
1st Day 2nd Day 3rd Day 4th Day 5th Day 6th Day 7th Day
Persian Yekshanbeh Doshanbeh Seshanbeh Chaharshanbeh Panjshanbeh
Arabic
Armenian
Georgian
Greek
Hebrew
Icelandic
Indonesian
Kazakh
Malay
Portuguese Segunda-Feira Quarta-Feira Quinta-Feira Sexta-Feira
Vietnamese

Here are some examples of numerically named days of the week, with what English calls Monday as the first day of the week...

Language Days of the Week
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
1st Day 2nd Day 3rd Day 4th Day 5th Day 6th Day 7th Day
Belarusian
Bulgarian
Croatian
Chinese
Czech
Estonian
Hungarian
Latvian
Lithuanian
Macedonian
Mongolian
Polish
Russian
Serbian
Slovak
Slovenian
Ukrainian
Celestical Naming of the Days of the Week

Many languages derive the names for the days of the week from Celestical. Specifically, from the Sun, the Moon, and the five visible planets: Mars, Mercury, Jupiter, Venus, and Saturn.

History

I have read that the week as a measurement of time was created by the Babylonians. And that the Babylonians also started the practice of associating the days of the week with Celestial Objects. (Or at least the Babylonians were the first ones we know to have done this and for other who did this later there is evidence that can trace their practice back to the Babylonians.)

-- Mirza Charles Iliya Krempeaux
       

Peers