icOPEN 2023 (Singapore) - International Conference on Optical and Photonic Engineering (icOPEN) 2023
27 November - 01 December 2023
Holiday Inn Singapore Atrium



Latest information on Safe Travel arrangements
for arrival, transit or departure


Travelling to Singapore: Checklists and Entry Requirements




Travel Information

Some may refer to Singapore as the "little red dot", but Singapore's presence in the world today is more significant than that moniker. Singapore is a bustling cosmopolitan city that offers a world-class living environment, with its landscape populated by high-rise buildings and gardens. One interesting facet you'll discover about Singapore is a ubiquitous collage of cultures, where people of different ethnicities and beliefs coexist.

Explore the island's various cultural precincts and religious landmarks and get acquainted with Singapore’s multicultural society. Whether you join a tour or discover your own Singapore, you’ll be sure to catch a glimpse of Singaporeans' impressive history, cultural diversity and lifestyles during your visit to our city-state.

Immigration Checklist

Arriving in Singapore Checklist - https://safetravel.ica.gov.sg/arriving/overview
Singapore entry visa requirement - https://www.ica.gov.sg/enter-depart/entry_requirements/visa_requirements

Travel Insurance

Please click here, COVID-19 travel insurance and medical treatment for inbound travellers, 

Climate and Dress

Singapore has a mild tropical climate with abundant rainfall throughout the year with an average temperature of 28 degrees Celsius. The dress code is generally informal but formal wear will be required at some places or occasions.


Singapore’s voltage is 220-240AC, 50 Hertz. Most hotels can provide a transformer to convert it to 110-120AC, 60 Hertz.


Singapore is the safest city in Asia; delegates can expect to walk along the streets late at night without fear. The nation’s general economic prosperity and professional and effective police force contribute to the low crime rate and enable continued success in controlling crime and enhancing personal security.

Urban Security
(Digital, Health & Personal)


Top in Asia for Personal Safety & Quality of Living

(Safe Cities Index 2021)   (by Mercer 2021)

Credit Card and Currency

Major credit cards and charge cards such as American Express, Diners, MasterCard and Visa are accepted at most establishments. The currency is the Singapore Dollar (SGD). Banks and exchange bureaus are located in major shopping centres and airports to facilitate currency exchange.

Tipping and Goods & Services Tax or GST (Government tax)

Tipping is officially discouraged in Singapore. Most hotels and restaurants levy a 10% service charge and the GST on their bills. The GST is currently charged at 8%, with effect from 1 January 2023.


Smoking is prohibited in public service vehicles, museums, libraries, lifts, theatres, cinemas, air-conditioned restaurants, non-air-conditioned eating houses, hawker centres, hair salons, supermarkets, department stores and government offices. In line with efforts to improve the nightlife experience for all, entertainment outlets have smoking restrictions. Smoking is no longer permitted in pubs, discos, karaoke bars and nightspots unless in approved smoking rooms or corners. Offenders can be fined up to SGD1,000.00.

Time Difference

Singapore Time is 8 hours ahead of GMT.https://timezonewizard.com/

Entry Visa to Singapore

Please Click here for the latest information regarding COVID-19 travel and entry requirements

Please note that all visitors to Singapore must meet the following entry requirements:

  • Valid travel document (minimum validity = 6 months);
  • Onward/return ticket;
  • Entry facilities to next destination;
  • Sufficient funds to stay in Singapore and
  • Visa for Singapore (if applicable)

For more detail, Click here


(UEN nos: S94SS0029C)


icOPEN Secretariat

(UEN nos: 199401497D)


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Information & Support
icOPEN Secretariat
Website: www.icopen.org
Email: secretariat@icopen.org
Tel: (65) 6379 5260 
Add: 2 Leng Kee Road #04-01
Thye Hong Centre Singapore 159086