Summer Time Skill — Summer Countdown + China Sunrise

This skill renders a live interactive time dashboard with three main panels:

1. Summer Countdown — live ticking countdown to summer Solstice by API
2. China Sunrise/Sunset — today's sunrise and sunset times for Beijing, China (fetched via open-meteo / sunrise-sunset API)
3. Current Time — today's date and a live clock

How to build this widget

Create an .html file and present it. The file must:

Summer Countdown Target

• Target datetime: fetch the UTC Solstice time from https://aa.usno.navy.mil/api/seasons?year=2026
• Source: Summer Countdown – Countdown to target datetime
• Display: days, hours, minutes, seconds — all ticking live with setInterval