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Sapporo Symposium
on
BIOLOGICAL RHYTHM 2026

Hokkaido University Conference Hall

September 11 - 12, 2026

生物リズムに関する札幌シンポジウム2026を

2026年9月11日(金)12日(土)に

開催いたします

9月11日午後には

アショフ・ホンマ賞の授賞式ならびに

記念講演とシンポジウムがあります​

 

詳細は随時掲載いたします

Sapporo Symposium on Biological Rhythm 2026 will be held on September 11th and 12th.

 

The Aschoff and Homma Prize ceremony, commemorative lecture, and symposium will be held on the afternoon of September 11th. 

 

 

Details will be posted as they become available.

開催要項

1. 日程:2026年9月11日(金)~12日(土)
    会場:北海道大学学術交流会館

    (札幌市中央区北8条西5丁目)


 

2. 登録:登録フォーム(click)に必要事項を記入の上送信ください。

 登録期限:8月31日(当日受付もいたします。)

 

3.参加費:一般・15,000円(大学生・大学院生・10,000円)
     (要旨集、懇親会代が含まれます)
 ※参加費は9月11日にシンポジウム会場(北大学術交流会館)受付にて現金でお支払いください

 

4. ランチョンポスター

   シンポジウムに登録後、

ポスター発表申し込みフォーム(click)より

 お申し込みください
  応募期限:6月30日


ポスターサイズ:W80cm x H140cm以下
北大学術交流会館ホールに展示します
  ※9月12日(土)のお昼は軽食と飲み物がつきます(無料)

5. アショフ・ホンマ賞 受賞祝賀会
  日時:9月11日(金)
​19:00~21:00
  場所:ホテルマイステイズ札幌アスペン

 (参加費は登録料に含まれます)


6. ビザ
VISA申請に必要な書類(招待状、証明書など)が必要な参加者は、登録フォームに記入欄があります

 


7. 事務所
一般財団法人 アショフ・ホンマ記念財団
〒064-0915

札幌市中央区南15条西15丁目1-30ベルビル5階

 

General Information

1. Date: September 11-12, 2026
   Venue: Hokkaido University Conference Hall
         Chuoh-Ku, N 8, W 5, Sapporo, 


2. Registration Form(click)

    Deadline: August 31.

 ※September 1 ~  at the conference desk

  

3.Registration fee: 15,000 JPY (Student 10,000 JPY)
   (Inc. Abstract,  Get-together Party)
    ※Payment: on the registration desk at the symposium   (September 11, 2026) We accept cash only.


4. Luncheon Poster

    ※Please register for SSBR before applying.
 Luncheon poster application Form(click)
  Deadline:  June 30
 

Poster Size: W80cm x H140cm or less
  Display for 2days (Sep 11-12).
  Lunch box and beverage included
.

 

 

5. Aschoff and Honma Prize

    Awarding Party

(Included in Registration fee)
  Date: September 11 (Fri) 19:00~21:00
  Location: Hotel Mystays Sapporo Aspen


6. VISA
  The participant who needs documents for VISA application (ex. invitation letter, certification)fill out the registration form.


 

7. Office
Aschoff and Honma Memorial Foundation
Chuoh-Ku, S 15, W15, 064-0915 Sapporo, Japan
 

Sapporo Symposium on Biological Rhythm 2026

​Program

 

 

 

September 11       Awarding Ceremony

  

12:00   Registration

13:00   Opening Address: Dr. Yujiro Yamanaka

13:05   Report by Dr. Russell Foster, the chairperson of ISC

13:10   Awarding: Dr. Ken-ichi Honma, the chief of SSBR, to Dr. Hiroki Ueda

13:15   Awarding Lecture: Dr. Hiroki Ueda

Why do we sleep? The Role of Calcium and Phosphorylation in Sleep

Chairperson: Dr. Ken-ichi Honma

14:00   Coffee Break

14:15   Memorial Symposium “Circadian Rhythms and Sleep”

Chairperson: Dr. Sato Honma

Dr. Daisuke Ono

cAMP signaling links sleep–wake circuits and the circadian clock

Dr. Kazuhiko Kume

Dr. Kazuhiro Yagita

 

16:30   Memorial Lecture

Chairperson: Dr.Ken-ichi Honma

Dr.Russell Foster (UK)

18:30   Celebrating Party

Hotel Mystays Sapporo Aspen F2

 

 

September 12      Sapporo Symposium on Biological Rhythm

 

 

8:45   Plenary Lecture 1

Chairperson:Dr. Kazuhiro Yagita

Dr.Ken-ichi Honma

The last massage from the pope, Colin S. Pittendrigh

9:15   Symposium 1 “Rhythm Entrainment: Master-Slave Interaction”

Chairperson: Dr.Takashi Yoshimura

Dr.Yujiro Yamanaka

 

Dr.Tomoko Yoshikawa

 

Dr.Dong-Gen Luo

 

10:45   Coffee Break

 

11:00   Plenary Lecture 2

Chairperson: Dr.Tokitaka Oyama

Dr.Carl Johnson

Insights into Pittendrigh’s insights from bacteria

11:45   Get-together photo at Central Lawn

12:00   Luncheon Poster

13:30   Symposium 2 “Circadian Pacemaker: Evening and Morning Oscillator Model”

Chairperson: Dr.Sato Honma

Dr.Taishi Yoshii

Morning and Evening oscillators reside in the 240 pacemaker neurons   of the fruit fly, Drosophila melanogaster

Dr.Yasufumi Shigeyoshi

 

Dr.Qiguang Xie

Cis-Regulatory Architecture of PSEUDO-RESPONSE REGULATOR  9 and Its Role in the Integration of the Plant Circadian Clock and Environmental Signalling

15:00   Coffee Break

15:15   Symposium 3 “Seasonality: Internal and External Coincidence Model”

Chairperson: Dr.Takahiro Nakamura

Dr.Takashi Yoshimura

From Pittendrigh’s Coincidence Models to Seasonal Precision

Medicine

Dr.Wataru Nakamura

  

 

Dr.Tokitaka Oyama

  

 

Dr.Xiaodong Xu

LNK1, LNK2 and COR27, COR28 regulate diurnal expression of

FKF1 during photoperiodic flowering in Arabidopsis

17:15   Coffee Break

17:30   Plenary Lecture 3

Chairperson:Dr. Wataru Nakamura

Dr.Gene Block

 The Scholar and the Snail: The Enduring Contributions of Colin  Pittendrigh and Bulla gouldiana

 

18:30 Closing Address: Dr.Ken-ichi Honma

 

(Updated June 30, 2026)

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