Leap Year: what is it, why does it exist, and when is the next one? Daylight Saving Time: what, when, and why? About us Privacy Contact 7Graus. United States. See calendar. Calendar How Many Days in a Year. Is a Leap Year? No, is a common year. The next leap year will be in Girl Scout Events.
Member Events. Museum at Home. Holiday Events. Join Our Team. Traveling Exhibits. Community Programs. Power of Children Awards. Visiting Artist Application. Corporate Donations. Planned Gifts. Renew your Donor Membership. Current Members. Renew Your Membership. Member FAQ. The Children's Museum Today's Hours: 10 am—5 pm. Buy Tickets. Things to Do. Museum Blog. Sign Up for Email. By signing up I agree that I am 13 years or older, or I have my parent or guardian's consent.
Buy Tickets Membership Donate. Employment Volunteer Internships Accessibility. Share atTCM. December is the first month of winter in the northern half of the world. In the southern half, it is the first month of summer. December is the twelfth and last month in the Gregorian calendar and has 31 days.
The December solstice on December 21 or 22 marks the beginning of winter in the Northern Hemisphere. The meaning of December stems from the Latin word decem , meaning ten. The old Roman calendar started in March , making December the tenth month. When the Roman senate changed the calendar in BCE , the new year started in January , and December became the twelfth month.
The December solstice on December 21 or 22 is also known as the winter solstice. It is the shortest day of the year in the Northern Hemisphere and marks the beginning of the astronomical winter season there. In the Southern Hemisphere, it is called the summer solstice. There, it is the longest day of the year and the beginning of the astronomical summer season.
0コメント