Release rule

How to Book Ubuka: Reservation Release Day, Phone and Rules (2026)

うぶか · Arakicho, Tokyo · Kaiseki · Dinner only

How to book this house

Online only: on the 1st of each month around 15:00 JST the whole month two months ahead opens (1 February for April) and sells out; cancellations resurface on OMAKASE. Dinner only, closed Sundays and holidays.

Next release
November 1, 2026 · 15:00 JST → January 2027

Dates through December 2026 are already open.

Where bookings are taken
OnlineOfficial (yoyaku.at)OMAKASE
Lunch / dinner
Dinner only
Phone line
03-3356-7270 (Japanese, from 13:00; no phone bookings — enquiries and groups of 5+ or private hire only)
The house's cancellation charge
  • From 2 days before50%
  • Same day, with notice100%
  • Same day, no notice (no-show)100%

Charged by the house, not by us. A plan's own policy takes precedence.

Source: Ikyu, read 2026-10-04

If a seat comes back
We watch this house's own booking page and email anyone following it when dates appear that were not there before. We hold nothing — the seats go first come, first served.

Allergies or dietary needs? Make a Japanese dining card →

Next release days

  • 1Nov15:00 JST
    Sunday, November 1, 2026
    For dates in January 2027
  • 1Dec15:00 JST
    Tuesday, December 1, 2026
    For dates in February 2027
  • 1Jan15:00 JST
    Friday, January 1, 2027
    For dates in March 2027

Last verified September 23, 2026

Source for the booking rule: the house's official site (ubuka.jp), read September 23, 2026.

All times are Japan Standard Time (UTC+9).

When does Ubuka open its reservation book?

Reservations at Ubuka next open on November 1, 2026 at 15:00 JST, for dates in January 2027. Online only: on the 1st of each month around 15:00 JST the whole month two months ahead opens (1 February for April) and sells out; cancellations resurface on OMAKASE. Dinner only, closed Sundays and holidays. All times are Japan Standard Time (UTC+9).

What does Ubuka charge if you cancel?

From 2 days before 50% / Same day, with notice 100% / Same day, no notice (no-show) 100%. Charged by the house, not by us. A plan's own policy takes precedence. Source: Ikyu, read 2026-10-04

How do I book Ubuka from abroad?

Ubuka takes reservations through its own website, which you can use from abroad. If you would rather not, our Tokyo desk can request it for you: ¥12,000 per seat, charged only if the table is secured. A free release-date alert emails you the day before, on the morning of release day (08:00 JST) and about 30 minutes before when the opening time is known; houses that open a little every day come in a weekly summary.

What time zone is the release time?

All times are Japan Standard Time (UTC+9). Release days are computed from the house's published rule and re-checked monthly.

More release days in Tokyo

Tokyo: when hard-to-book restaurants open reservations →

← All 1,240 houses in the booking calendar

Rules are verified against official notices and platform listings and re-checked monthly. Houses change their systems without warning; treat the calendar as a planning tool. For restaurants in our collection, our desk confirms the specifics for your dates when you request.