Background
SecLeaf
COUNTDOWN ACTIVE

GLOBAL EVENT SCHEDULE

SecLeaf Q4 CTF 2026 is a 24-hour non-stop cybersecurity competition.Official Start: Saturday, 31 October 2026 at 14:00 IST (08:30 UTC). Find the exact local schedule for your country below.

OFFICIAL TIME (IST)

31 Oct 14:00 → 01 Nov 14:00

Indian Standard Time (UTC+05:30)

UNIVERSAL TIME (UTC)

31 Oct 08:30 → 01 Nov 08:30

Coordinated Universal Time (UTC+00:00)

FORMAT & DURATION

24 Hours Non-Stop

Online Jeopardy CTF · Global Access

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Synchronize the competition in your personal calendar app (auto-converts to your timezone).

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● GLOBAL TIMINGS DIRECTORY

Schedule For All Countries

Exact start and end date/time for participants worldwide.

🌐

Universal Time (UTC / GMT)

Global Standard

UTC·UTC+00:00
START:

08:30:00 AM

Saturday, October 31, 2026

FINISH:

08:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇮🇳

India

New Delhi / Mumbai / Kolkata

GMT+5:30·UTC+05:30
START:

02:00:00 PM

Saturday, October 31, 2026

FINISH:

02:00:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇵🇰

Pakistan

Islamabad / Karachi / Lahore

GMT+5·UTC+05:00
START:

01:30:00 PM

Saturday, October 31, 2026

FINISH:

01:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇧🇩

Bangladesh

Dhaka

GMT+6·UTC+06:00
START:

02:30:00 PM

Saturday, October 31, 2026

FINISH:

02:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇳🇵

Nepal

Kathmandu

GMT+5:45·UTC+05:45
START:

02:15:00 PM

Saturday, October 31, 2026

FINISH:

02:15:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇱🇰

Sri Lanka

Colombo

GMT+5:30·UTC+05:30
START:

02:00:00 PM

Saturday, October 31, 2026

FINISH:

02:00:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇸🇬

Singapore

Singapore

GMT+8·UTC+08:00
START:

04:30:00 PM

Saturday, October 31, 2026

FINISH:

04:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇲🇾

Malaysia

Kuala Lumpur

GMT+8·UTC+08:00
START:

04:30:00 PM

Saturday, October 31, 2026

FINISH:

04:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇮🇩

Indonesia (Western)

Jakarta

GMT+7·UTC+07:00
START:

03:30:00 PM

Saturday, October 31, 2026

FINISH:

03:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇻🇳

Vietnam

Hanoi / Ho Chi Minh City

GMT+7·UTC+07:00
START:

03:30:00 PM

Saturday, October 31, 2026

FINISH:

03:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇹🇭

Thailand

Bangkok

GMT+7·UTC+07:00
START:

03:30:00 PM

Saturday, October 31, 2026

FINISH:

03:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇵🇭

Philippines

Manila

GMT+8·UTC+08:00
START:

04:30:00 PM

Saturday, October 31, 2026

FINISH:

04:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇯🇵

Japan

Tokyo

GMT+9·UTC+09:00
START:

05:30:00 PM

Saturday, October 31, 2026

FINISH:

05:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇰🇷

South Korea

Seoul

GMT+9·UTC+09:00
START:

05:30:00 PM

Saturday, October 31, 2026

FINISH:

05:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇨🇳

China / Hong Kong

Beijing / Hong Kong

GMT+8·UTC+08:00
START:

04:30:00 PM

Saturday, October 31, 2026

FINISH:

04:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇹🇼

Taiwan

Taipei

GMT+8·UTC+08:00
START:

04:30:00 PM

Saturday, October 31, 2026

FINISH:

04:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇦🇺

Australia (East)

Sydney / Melbourne / Canberra

GMT+11·UTC+11:00
START:

07:30:00 PM

Saturday, October 31, 2026

FINISH:

07:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇦🇺

Australia (West)

Perth

GMT+8·UTC+08:00
START:

04:30:00 PM

Saturday, October 31, 2026

FINISH:

04:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇳🇿

New Zealand

Auckland / Wellington

GMT+13·UTC+13:00
START:

09:30:00 PM

Saturday, October 31, 2026

FINISH:

09:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇬🇧

United Kingdom

London / Edinburgh

GMT·UTC+00:00
START:

08:30:00 AM

Saturday, October 31, 2026

FINISH:

08:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇩🇪

Germany

Berlin / Frankfurt / Munich

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇫🇷

France

Paris

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇳🇱

Netherlands

Amsterdam

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇮🇹

Italy

Rome / Milan

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇪🇸

Spain

Madrid / Barcelona

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇵🇱

Poland

Warsaw

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇸🇪

Sweden

Stockholm

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇨🇭

Switzerland

Zurich / Geneva

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇷🇴

Romania

Bucharest

GMT+2·UTC+02:00
START:

10:30:00 AM

Saturday, October 31, 2026

FINISH:

10:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇺🇦

Ukraine

Kyiv

GMT+2·UTC+02:00
START:

10:30:00 AM

Saturday, October 31, 2026

FINISH:

10:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇹🇷

Turkey

Istanbul / Ankara

GMT+3·UTC+03:00
START:

11:30:00 AM

Saturday, October 31, 2026

FINISH:

11:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇺🇸

United States (Pacific)

Los Angeles / San Francisco / Seattle

PDT·UTC-07:00
START:

01:30:00 AM

Saturday, October 31, 2026

FINISH:

01:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇺🇸

United States (Mountain)

Denver / Phoenix

MDT·UTC-06:00
START:

02:30:00 AM

Saturday, October 31, 2026

FINISH:

01:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇺🇸

United States (Central)

Chicago / Dallas / Houston

CDT·UTC-05:00
START:

03:30:00 AM

Saturday, October 31, 2026

FINISH:

02:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇺🇸

United States (Eastern)

New York / Washington DC / Boston

EDT·UTC-04:00
START:

04:30:00 AM

Saturday, October 31, 2026

FINISH:

03:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇨🇦

Canada (Eastern)

Toronto / Montreal / Ottawa

EDT·UTC-04:00
START:

04:30:00 AM

Saturday, October 31, 2026

FINISH:

03:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇨🇦

Canada (Western)

Vancouver

PDT·UTC-07:00
START:

01:30:00 AM

Saturday, October 31, 2026

FINISH:

01:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇧🇷

Brazil

São Paulo / Rio de Janeiro

GMT-3·UTC-03:00
START:

05:30:00 AM

Saturday, October 31, 2026

FINISH:

05:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇲🇽

Mexico

Mexico City

CST·UTC-06:00
START:

02:30:00 AM

Saturday, October 31, 2026

FINISH:

02:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇦🇷

Argentina

Buenos Aires

GMT-3·UTC-03:00
START:

05:30:00 AM

Saturday, October 31, 2026

FINISH:

05:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇨🇴

Colombia

Bogotá

GMT-5·UTC-05:00
START:

03:30:00 AM

Saturday, October 31, 2026

FINISH:

03:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇦🇪

United Arab Emirates

Dubai / Abu Dhabi

GMT+4·UTC+04:00
START:

12:30:00 PM

Saturday, October 31, 2026

FINISH:

12:30:00 PM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇸🇦

Saudi Arabia

Riyadh / Jeddah

GMT+3·UTC+03:00
START:

11:30:00 AM

Saturday, October 31, 2026

FINISH:

11:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇶🇦

Qatar

Doha

GMT+3·UTC+03:00
START:

11:30:00 AM

Saturday, October 31, 2026

FINISH:

11:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇪🇬

Egypt

Cairo

GMT+2·UTC+02:00
START:

10:30:00 AM

Saturday, October 31, 2026

FINISH:

10:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇳🇬

Nigeria

Lagos / Abuja

GMT+1·UTC+01:00
START:

09:30:00 AM

Saturday, October 31, 2026

FINISH:

09:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇰🇪

Kenya

Nairobi

GMT+3·UTC+03:00
START:

11:30:00 AM

Saturday, October 31, 2026

FINISH:

11:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇿🇦

South Africa

Johannesburg / Cape Town

GMT+2·UTC+02:00
START:

10:30:00 AM

Saturday, October 31, 2026

FINISH:

10:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates
🇲🇦

Morocco

Casablanca / Rabat

GMT+0·UTC+00:00
START:

08:30:00 AM

Saturday, October 31, 2026

FINISH:

08:30:00 AM

Sunday, November 1, 2026

24h Competition● Spans Across 2 Dates

ABOUT COMPETITION TIMINGS

SecLeaf Q4 CTF 2026 starts simultaneously worldwide for all participants at 2026-10-31 08:30:00 UTC and concludes exactly 24 hours later at 2026-11-01 08:30:00 UTC. Challenges unlock instantly for all time zones at the start time.