Calendar Heatmap
Meeting Hours Calendar
Daily meeting hours tracked in neon coral tones showing time in calls.
Output
Python
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.colors import LinearSegmentedColormap
import matplotlib.patches as mpatches
np.random.seed(123)
days = 365
meetings = np.random.exponential(2, days)
meetings = np.clip(meetings, 0, 8)
for i in range(days):
if i % 7 >= 5:
meetings[i] = 0
weeks = 53
data = np.zeros((7, weeks))
for i, val in enumerate(meetings):
week = i // 7
day = i % 7
if week < weeks:
data[day, week] = val
# CLAUDE.md Neon Coral palette
colors_neon = ['#ffffff', '#fce0ea', '#f77da4', '#F5276C']
cmap = LinearSegmentedColormap.from_list('neon_coral', 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=8)
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('Meeting Hours - Time in Calls', 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, ['0h', '1-2h', '3-5h', '6-8h'])]
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='Hours',
title_fontsize=9)
total = np.sum(meetings)
ax.annotate(f'{total:.0f} hours in meetings', xy=(0.98, 1.1), xycoords='axes fraction',
fontsize=11, color='#F5276C', ha='right', fontweight='bold')
plt.tight_layout()
plt.subplots_adjust(bottom=0.25)
plt.show()
Library
Matplotlib
Category
Time Series
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