thank you Martin!

Some #design notes:
This map uses a more unusual projection, the Nicolosi globular projection, and a stipple effect around the coastline—both demonstrated in code by @torbenjansen.bsky.social Thanks Torben!
Try them yourself:
🌐 observablehq.com/@toja/nicolo...
✨ observablehq.com/@toja/pen-an...

I wrote about the politics of time zones www.economist.com/interactive/...

Morocco isn’t the only country to shift clocks around Ramadan. But last-minute DST changes can cause trouble. Lebanon’s late decision to delay the start of DST for Ramadan in 2023 led to chaos, with the country split on what time to follow. Even Google and Apple were displaying different times.

In Morocco the interplay between Ramadan, which moves with the lunar calendar, and daylight saving left the government changing clocks up to 4 times a year. Shifting daylight saving to avoid Ramadan helps Muslims observing the holy month, so they don’t have to delay breaking their fast.

I wrote about how governments set their clocks not just to follow the sun, but also to assert identity, create unity, and distance themselves from rivals www.economist.com/interactive/...

But far from extreme latitudes, some places still shade blue. In far-western China, the sun doesn't rise until after 10am in early Jan. These are places where the clock runs far behind solar time—a place's natural time, where the clock would show noon when the sun is at its zenith.

That pale disc bouncing between the poles is polar day, where the sun never sets. The shadow sweeping in and out at the opposite pole is polar night, where the sun never rises. The Arctic Circle is defined by this phenomenon. It is the area where the sun won’t rise for at least 1 day a year.

This map shows the hour of sunrise globally through the year. It reveals time zones following national and, sometimes, regional boundaries, and slicing through the oceans.