As we move into the new year, I got curious about how much daylight we gain each day and asked ChatGPT about it. Here’s what I learned about the average rate of daylight change in Edinburgh, Scotland, from January 8 to June 8, 2025.
On average, we experience an increase of about 3.6 minutes of daylight per day during this period. However, the rate varies over time due to the Earth’s tilt and orbit around the Sun. Here’s the breakdown:
January (Now): 2–3 Minutes Per Day
In January, the days are getting longer as we move away from the winter solstice (December 21). The increase is relatively fast because the Northern Hemisphere begins to tilt back toward the Sun, leading to noticeably longer days.
February to March: 3–4 Minutes Per Day
The pace of change accelerates as we approach the spring equinox (March 20), when day and night are nearly equal. During this period, the Sun’s path across the sky gets higher and longer, giving us more daylight with each passing day.
March to June: Less Than 1 Minute Per Day by Late May
After the equinox, the rate of daylight increase gradually slows as we near the summer solstice (June 20–21). By late May and early June, we’re already enjoying long days, so the gains become minimal as the Sun’s tilt stabilizes for the season.
Its interesting to know about the increase then decrease. I’m sure all this would fit within the flat earth model?
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