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Good to Know

AC Power Plugs and Sockets

The Czech Republic uses a 230-volt 50 Hz system, sockets have the European standard and plugs are three-prong grounded.

Cell Phones

Participants are kindly requested to turn off or switch their cell phones to silent mode in the meeting rooms where scientific sessions are held.

City Transport

Travelling by Prague city transport is possible with a valid ticket only. Passengers have to obtain their tickets before boarding the vehicle or entering the Metro system. The ticket is valid only if marked in the validation appliance.


Czech crown (CZK) is the official currency of the Czech Republic. Exchange of foreign currency is available at Prague international Airport and most hotels, banks and exchange offices throughout the city. International credit cards are accepted for payments in hotels, restaurants and shops. Payment in cash in EUR is also available in some restaurants and shops. Please ask for details on-site. You can find the official exchange rates on the website of the Czech National Bank at

Entry Formalities

All foreign visitors to the Czech Republic must possess a passport valid for at least the next three months. Participants requiring visa should apply in advance to consular offices of the Czech Republic or diplomatic missions in their countries in order to avoid delay in travel to the Congress.

Important Telephone Numbers

112 – General Emergency (The European Standard number)
150 – Fire Department
155 – Ambulance
156 – Prague police
158 – Police


The organizers can accept no liability for personal injuries or loss or damage to property belonging to the Workshop participants, either during or as a result of the event. Participants are advised to take out proper travel and health insurance before departing from their home country.


Smoking in the congress area is not allowed.


Most shops in Prague are open from 9 a.m. to 6 p.m., Monday till Saturday. Shops in the city centre are usually open from 9 a.m. to 8 p.m., Monday till Sunday.

Time Zone

The Czech Republic is on Central European Time - Greenwich Mean Time (GMT) plus 1 hour. From April to October is summertime, i.e. GMT +2 hours.


Service is usually included in the bill in bars and restaurants but tips are welcome. If you consider the service good enough to warrant a tip, we suggest about ten percent.

Language of the ICPhS 2023

The official language of the ICPhS 2023 is English. Translation services will not be provided.

Czech Language

Even though English is spoken at all the hotels, shops and restaurants in Prague, we include a few basic Czech words and sentences that can be useful during your stay in Prague.

Hi   Ahoj
Hello   Dobrý den
Good evening   Dobrý večer
Good night   Dobrou noc
How are you?   Jak se máte?
I am fine   Mám se dobře
Thank you   Děkuji
How much is it?   Kolik to stojí?
Beer   Pivo
Would you like to go for a beer?   Nechceš jít na pivo?
One   Jeden
Two   Dva
Three   Tři
Ten   Deset


GUARANT International spol. s r.o.
Českomoravská 19, 190 00  Prague 9, Czech Republic
Phone: +420 284 001 444
E-mail: | Web:

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