Calendar

Absalom Reckoning, or AR for short, is the most commonly used calendar in Avistan and Garund and possibly all of Golarion. In Absalom Reckoning, the day of the month is always listed first, followed by the month and the year and generally suffixed with the letters "AR".

It originates with the founding date of Absalom on 1 Abadius, 1 AR. In Absalom Reckoning, each day on Golarion has 24 hours, each week has seven days, and each year has 52 weeks. A year is also divided into 12 months, although once every eight years an extra day is added to the end of Calistril to make up for the slight variance in the planet's orbit around the sun. The last leap year was 4712 AR, and the next will be 4720 AR.

Days of the Week
Although days of the week may have different significances across locations and cultures, there are often some similarities. 

Lunar Calendar
Golarion has a lunar calendar which follows the phases of its moon. Each full moon is given its own name and, in order through the year, they are:
 * Long Moon
 * Fated Moon
 * Rebirth Moon
 * Flood Moon
 * Blossom Moon
 * Sweet Moon
 * Lover's Moon
 * Swarm Moon
 * Harvest Moon
 * Hunter's Moon
 * Black Moon
 * Cold Moon