Calendar Heatmap

Pages Read Calendar

Daily book pages read tracked in neon amber gradient for bookworms.

Output
Pages Read Calendar
Python
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.colors import LinearSegmentedColormap
import matplotlib.patches as mpatches

np.random.seed(135)

days = 365
pages = np.random.exponential(20, days).astype(int)
pages = np.clip(pages, 0, 80)
pages[np.random.choice(days, size=80, replace=False)] = 0

weeks = 53
data = np.zeros((7, weeks))
for i, val in enumerate(pages):
    week = i // 7
    day = i % 7
    if week < weeks:
        data[day, week] = val

# CLAUDE.md Neon Amber palette
colors_neon = ['#ffffff', '#fef5e0', '#f9d77d', '#F5B027']
cmap = LinearSegmentedColormap.from_list('neon_amber', colors_neon, N=256)

fig, ax = plt.subplots(figsize=(16, 4), facecolor='#ffffff')
ax.set_facecolor('#ffffff')

im = ax.imshow(data, cmap=cmap, aspect='auto', vmin=0, vmax=80)

ax.set_yticks(range(7))
ax.set_yticklabels(['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'], fontsize=9, color='#374151')
ax.set_xticks(range(0, 52, 4))
ax.set_xticklabels(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec', ''], 
                   fontsize=9, color='#374151')

ax.set_title('Reading - Pages Per Day', fontsize=16, color='#1f2937', fontweight='bold', pad=15)

for i in range(8):
    ax.axhline(y=i-0.5, color='#e5e7eb', linewidth=0.5)
for i in range(weeks+1):
    ax.axvline(x=i-0.5, color='#e5e7eb', linewidth=0.5)

ax.tick_params(colors='#374151', length=0)
for spine in ax.spines.values():
    spine.set_visible(False)

legend_elements = [mpatches.Patch(facecolor=c, label=l, edgecolor='#d1d5db') 
                   for c, l in zip(colors_neon, ['0', '1-25', '26-55', '56+'])]
ax.legend(handles=legend_elements, loc='upper left', bbox_to_anchor=(0, -0.15), ncol=4, 
          fontsize=8, facecolor='#f9fafb', edgecolor='#d1d5db', labelcolor='#374151', title='Pages',
          title_fontsize=9)

total = int(np.sum(pages))
books = total // 300
ax.annotate(f'{total:,} pages - ~{books} books', xy=(0.98, 1.1), xycoords='axes fraction',
            fontsize=11, color='#F5B027', ha='right', fontweight='bold')

plt.tight_layout()
plt.subplots_adjust(bottom=0.25)
plt.show()
Library

Matplotlib

Category

Time Series

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