What better way to stay top of mind with your clients and customers than with custom promotional and advertising calendar magnets, school calendar magnets, and business related calendar magnets!! Your company, brand, and/or message will stick around long after the competition's business card has been thrown away and forgotten. With these promotional calendar magnets you get custom brilliant full-color printing, a high quality laminated finish, strong magnetic material, and no hidden costs. Choose one of the below calendar templates or we can help you to create your very own custom calendar magnets
Cheap Calendar Magnets has hundreds of large magnet, calendar magnet and photo magnet design templates to help get you started. Choose a calendar magnet design template and proceed to our free online design studio for calendar magnets. Create calendar magnets with text and upload your logo or graphics. Cheap Calendar Magnets also offers over thousands of free stock images to help you create your magnets. If you already have your calendar magnets designed, you can simply upload your file for us to print!
We can print your cheap promotional calendar magnets, calendar magnets and photo magnets and offer you the best value anywhere. Calendar magnet printing have been a hands-on, laborious process for both the supplier and the customer. Cheap Calendar Magnets has not only fully automated the manufacturing of calendar magnet printing, but also the manner in which calendar magnet orders are created and submitted.
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Calendar Facts brought to you by Cheap Calendar Magnets:
Slowing of the vernal equinox year
The length of the year has increased slightly over the millennia for a variety of reasons. These include: the gradual slowing of the Earth’s rotation, slow changes in the Earth’s orbit due to other planets and the moon, as well as regular effects due to precession of the Earth’s axis of rotation every 26,000 years.
Measures of the year
There is a subtle but important difference in two primary measures of the year, used by our calendar and by astronomers. The year mentioned above is the length of the tropical year defined as the mean interval between vernal equinoxes (1582-2000 C.E.) : 365 days, 5 hours, 49 minutes (365.2424 Universal days). Another measure of the year often used is the astronomer’s mean tropical year, defined as 365 days, 5 hours, 48 minutes, 45 seconds.
The measurement of time is currently determined by an international consortium based in France which averages the time from approximately 220 atomic clocks in over two dozen countries. The atomic clock is the only object that both tells time and generates a precise time scale.
Historically, the calculation of time has been based on the position of the earth relative to the sun using noon, when the sun is highest in the sky, as a marker. The length of the second, which corresponds to the length of time required for 9,192,631,770 cycles of the Cesium atom at zero magnetic field, was determined near the end of the 19th century; this second is thus equivalent to the second defined by the fraction 1/31 556 925.97 47 of the year 1900. In 1967, the official second was set as equal to an average second of Earth’s rotation time; the calculation of the average is necessary due to the fact that the earth rotates at a slightly irregular rate.
Today, time is determined by counting official seconds. This is subject to slight measurement inaccuracies; thus, the international community calculates a stable time by averaging accumulated seconds from several clocks worldwide. Next, this figure is compared to a few highly accurate laboratory measurements of the second. Every month, the official world time is adjusted by a few nanoseconds. Politically, time is a cooperative venture; and, by making time an international endeavor, the international community benefits from the combined resources of many laboratories.
Leap seconds in universal time coordinated (UTC)
World time is typically adjusted every year by adding what is called a "leap second." Because the time calculated by the position of the sun differs from the time calculated by the atomic standard, it is occasionally necessary to adjust international time standards to match the position of the Earth.
The rotational speed of the Earth changes slightly for several reasons, some of which are not fully understood. Large scale movements of water and changes in the atmosphere affect the Earth’s angular momentum. Tidal friction from the moon, which results in the rise of tides in the ocean, diminishes the speed of rotation. Physical processes occurring on or within the Earth also affect the earth’s rotation.
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