Chronocompass

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## Price

### Availability

Gold Rock City
Dragon Cliffs
Fort Aestrin

The Chronocompass is a complicated device that can greatly simplify finding one's Longitude and Latitude. When using it, it does not need to be pointed in any particular direction to be effective, but facing south can make the shadows easier to read. It can be used at any daytime hour, but is most effective and accurate when read at noon.

There is a very useful video at the bottom of the page that summarises all the information on this page in a couple of minutes.

## Components

The important parts of the Chronocompass are as follows:

* The **compass** - The Emerald and Aestrin Chronocompasses simply have 'N', 'E', 'S' and 'W' marked on them, and rotate as a compass does. The Al'Ankh Chronocompass only has a large blue gem that always points south. *(Note that the Emerald Chronocompass has a green gem that always faces towards the player, and the Aestrin Chronocompass has a gem that always faces away from the player.)*
* The **gnomon** - On a sundial, the gnomon is the part in the centre that sticks up, casting a shadow. This is the same on the Chronocompass.
* The **top bar** - This is the horizontal bar above the Chronocompass, held up by 2 arms. This also casts a shadow, and the arms can be controlled by scrolling the mouse wheel.
* The **Latitude scale** - The Latitude Scale is the series of numbers facing south. They read '20', '30', '40' and '50' on every Chronocompass. Each number is separated by 4 smaller lines, and there is an arrow pointing from the centre to a point somewhere on this scale. Each smaller line is 2 degrees of Latitude, and the number the arrow is pointing at is the Latitude.
* The **Longitude scale** - This scale is the "fan" shape that rotates slowly, pointing North in the day, and South at night. The Al'Ankh Chronocompass has numbers '-45', '-30', '-15', '0', '15', '30' and '45' written on the outer ring, whereas the Emerald and Aestrin ones have the same numbers written on the edge of the "fan" itself. The thicker lines on the "fan" are for the numbers shown, and the thinner lines refer to the multiples of 5 in between.
* The **clock** - The clock is not immediately obvious, but is comprised of several different components of the Chronocompass already mentioned. The centre line of the Longitude scale (The '0' line) is the clock hand, and North on the compass is Midday. On the Al'nkh Chronocompass, the blue gem (known as the "Midnight Gem") is the only point of reference. The small 24 lines show each hour, one for each hour of the 24 hours in the day. During the night, the Latitude and Longitude scales do overlap, but that's ok, because there are no shadows to be read at night.

## Usage

 Determining Longitude

In the same position as when reading the **latitude** you now can read the **longitude**. The numbers at the bottom refer to your longitude (from 45 to -45). Note that only the values 5 to -5 are valid for Sailwind so you are measuring between a small range values which is far from precise.
 Using the Clock

The clock does not use the shadows, but works on some form of magic. The centre of the "fan" shape used to read longitude doubles up as the clock hand, and the large blue gem serves as midnight.
There are 23 lines that protrude from the gold ring that the midnight gem sits on; the time can be read by counting the marks, which correspond to hours.
In the screenshot, the centre of the fan is pointing slightly "before" the 12th line after the blue dot, therefore it is just before midday.Note that when the "fan" overlaps with the latitude markings, it is night, and therefore the Chrono Compass cannot be used to determine location, only as a clock and compass. This is because the blue gem always points south, and the sun being in the south during the day casts a shadow to the north.