30DayChartChallenge 2026

This year’s personal theme is Uppsala transportation Code on GitHub Day 1, Part-to-Whole Day 2, Pictogram Day 3, Mosaic Day 4, Slope Day 5, Experimental Day 7, Multiscale Day 8, Circular Day 9, Wealth Day 12, FlowingData Day 13, Ecosystems Day 14, Trade Day 15, Correlation Day 16, Causation Day 17, Remake Day 19, Evolution Day 20, Global Change Day 21, Historical Day 22, New Tool Day 23, Seasons…