What month is January?
January is month number 1 of the year. See its position, length, quarter, and key facts.
January
January is the 1st month of the year in the Gregorian calendar. It has 31 days and falls in the 1st quarter (Q1).
About this page
January is the 1st month of the year in the Gregorian calendar. It has 31 days and falls in the 1st quarter (Q1).
About January
Named after Janus, the Roman god of beginnings, gates, and transitions, who is depicted with two faces looking to the past and the future.
January falls in the winter (Northern Hemisphere) in the Northern Hemisphere, and is part of the first quarter (Q1) of the year.
Key facts about January
- January is the first month of the year in the Gregorian and Julian calendars.
- It was not always first — the early Roman calendar began the year in March, and January only became the opening month around 153 BC.
- New Year's Day on January 1 is one of the most widely observed holidays in the world.
- In the Northern Hemisphere it is typically the coldest month of the year.
January at a glance
| Month number | 1 of 12 |
|---|---|
| Number of days | 31 |
| Quarter | Q1 |
| Season | winter (Northern Hemisphere) / summer (Southern Hemisphere) |
| Zodiac signs | Capricorn (until ~Jan 19) and Aquarius (from ~Jan 20) |
| Birthstone | Garnet |
| Birth flower | Carnation and Snowdrop |
| Notable dates | New Year's Day (Jan 1), and in the US, Martin Luther King Jr. Day (third Monday). |
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Using this reference
January is the 1st month of the year in the Gregorian calendar. It has 31 days and falls in the 1st quarter (Q1).
This page is designed as a quick, reliable reference you can return to whenever you need it. It works on any device, needs no account, and can be printed or saved for offline use.
Frequently asked questions
What does this page show?
January is the 1st month of the year in the Gregorian calendar. It has 31 days and falls in the 1st quarter (Q1).
Is the information free to use?
Yes. This reference is completely free, works on any device, and needs no account.
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Yes. You can print the page directly from your browser or save it for offline reference.
Is it kept up to date?
Yes. The page reflects accurate calendar data and highlights the current day where relevant.