# Recommended Events in December at Shirai City Cultural Center & Planetarium
_12月のおすすめイベント／白井市文化センター・プラネタリウム_

- **When:** Tue, Dec 1, 2026 – Sun, Dec 27, 2026 (JST)
- **Where:** Shiroi City Cultural Center and Planetarium — 1148-8 Fuku, Shiroi-shi, Chiba
- **Price:** price on the official site
- **Category:** Shows & Entertainment
- **Official site:** https://maruchiba.jp/event/detail_13567.html
- **On Tokyo Events:** https://eventstokyo.com/en/events/recommended-events-in-december-at-shirai-city-cultural

![](https://maruchiba.jp/lsc/upfile/spot/0001/3567/13567_2_l.jpg)

● Planetarium Shows (Approx. 45 min): Saturdays, Sundays, and December 24 (Thu)–27 (Sun), 11:30am
- Roi’s Hour: Until December 24 (Thu), enjoy 'Children’s Christmas Hour 2026' featuring tonight’s starry sky and cheerful Christmas stories. Santa will make a special appearance during ‘Children’s Christmas Hour’ on December 13 (Sun) at 10:00am, 11:30am, and 1:30pm. Ticket details: tickets for 10:00am show go on sale from 9:00am; for 11:30am show, numbered tickets distributed from 10:00am, ticket sales from 11:00am; for 1:30pm, numbered tickets distributed from 10:00am, ticket sales from 1:00pm. For the 11:30am and 1:30pm shows, please collect a numbered ticket before purchasing your admission (max 5 per person).
- December 26 (Sat) & 27 (Sun): “Stroll Under the Stars”—Gentle explanations and stories about seasonal constellations.

- 3:00pm Astro Hour (approx. 45 min): December 24 (Thu)–27 (Sun) starts at 1:30pm. Until December 25 (Fri), 'Van Gogh’s Starry Night' (automated program) explores Van Gogh’s art featuring the sun, moon, and stars, referencing his letters and introducing his night sky paintings, with constellation commentary. December 26–27: 'Stroll Among the Stars', featuring constellations, astronomy, and space topics, with lively presentations by the guides.

● Platinum Hour (Approx. 45 min): Dec 3 (Thu), 11:00am & Dec 5 (Sat), 1:30pm. Enjoy nostalgic melodies and a starry night explanation, along with sparkling astronomy topics. This session discusses 'The Challenge of Reaching Mars'.

● Yorumichi Planetarium (Approx. 60 min): Admission 100 yen per person. Dec 18 (Fri), 3:00pm. Come when you want to relax, breathe fresh air, refresh, feel a human touch, or gaze at the stars alone. Enjoy calming music and soothing starry skies. Free entry/exit during the show. No constellation explanations.

● Special Joint Lecture: 'Investigating Historical Night Events Through Old Documents & the Planetarium' (Part 3, approx. 60 min): Dec 19 (Sat), 1:30pm. Explore historical incidents recorded in Shirai’s old manuscripts by recreating the night sky on the day they occurred. A hit among history lovers.

★ Planetarium capacity: 86 seats. Unless otherwise noted, admission is 350 yen for adults and 160 yen for children (high school and under). Tickets sold at the Cultural Center Library Building 3rd Floor Lobby from 30 minutes before each show.

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Source: Tokyo Events — https://eventstokyo.com/en/events/recommended-events-in-december-at-shirai-city-cultural