<p>Conventionally, 0 is North, 90 is East, 180 is South and 270 is West;  in both the Northern and Southern Hemisphere. These are directions.</p>
<p>This is nothing to do with GPS, which is about location, not direction.</p>

CC BY-SA 4.0
2021-08-27T21:50:02.927Z
Thanks, that is the type of information I am looking for.
As I am trying to Track the Sun from Sunrise to Sunset, and the de-bug Manual for dual axis tracking is very confusing as it a Chinese version of how to do this.
However the Manual uses  statements like -90 degrees.
The Raptor
CC BY-SA 4.0
2021-08-27T22:49:43.687Z
-90 = 270  degrees
James K
CC BY-SA 4.0
2021-08-28T23:36:26.227Z
So, that must indicate the Software Only relates to working Backwards & Forwards from North position, where obviously North is 0 degrees !
The Raptor
CC BY-SA 4.0
2021-08-26T07:59:03.833Z
2021-08-26T11:50:49.180Z
2021-08-26T11:50:49.180Z
James K
<p>Is there a Correct way to mathematically allocate GPS/location of Azimuth Degrees ?</p>
<p>EG:
In the Southern Hemisphere, if North is 0 degrees, for say Sydney <strong>is direct East 90 or -90 degrees ?</strong>
Then what <strong>is direct West -90 degrees or 270 degrees for southern hemisphere ?</strong></p>
<p>Assuming the degrees go from North=0, and goes Clockwise to 360 degrees?</p>
<p>And <strong>is Northern Hemisphere the opposite ?</strong></p>
<p>As I am unsure how these are correctly used for following the Sun position through the sky, in mathematical terms!</p>

CC BY-SA 4.0
2021-08-26T04:59:24.093Z
Yes, it always goes clockwise. It's *usually* measured from the north, but not always. See https://en.wikipedia.org/wiki/Azimuth
PM 2Ring
CC BY-SA 4.0
2021-08-26T05:00:38.830Z
What do you mean by "mathematically allocate GPS/location of Azimuth Degrees"?
PM 2Ring
<azimuth><sunrise><sunset><tracker>
Tracking the Sun from Sunrise in the East to Sunset in the West
The Raptor
# Tracking the Sun from Sunrise in the East to Sunset in the West

(Asked by: username_0 on 2021-08-26)

Is there a Correct way to mathematically allocate GPS/location of Azimuth Degrees ?

EG:
In the Southern Hemisphere, if North is 0 degrees, for say Sydney **is direct East 90 or -90 degrees ?**
Then what **is direct West -90 degrees or 270 degrees for southern hemisphere ?**

Assuming the degrees go from North=0, and goes Clockwise to 360 degrees?

And **is Northern Hemisphere the opposite ?**

As I am unsure how these are correctly used for following the Sun position through the sky, in mathematical terms!

**Tags:** azimuth, sunrise, sunset, tracker

> **Comments:**
> **username_1**: Yes, it always goes clockwise. It's *usually* measured from the north, but not always. See https://en.wikipedia.org/wiki/Azimuth  
> **username_1**: What do you mean by "mathematically allocate GPS/location of Azimuth Degrees"?  

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## 1 answers

### Answer by username_2 on 2021-08-26. Score: 1 | Accepted answer

Conventionally, 0 is North, 90 is East, 180 is South and 270 is West; in both the Northern and Southern Hemisphere. These are directions.

This is nothing to do with GPS, which is about location, not direction.

> **Comments:**
> **username_0**: Thanks, that is the type of information I am looking for. As I am trying to Track the Sun from Sunrise to Sunset, and the de-bug Manual for dual axis tracking is very confusing as it a Chinese version of how to do this. However the Manual uses  statements like -90 degrees.  
> **username_2**: -90 = 270  degrees  
> **username_0**: So, that must indicate the Software Only relates to working Backwards & Forwards from North position, where obviously North is 0 degrees !  

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