Practical Information
Accessibility
People of all ages with visual, hearing or mobility impairments  can fully enjoy business and leisure time in Paris. More information on  accessibility in the city can be found here: http://en.parisinfo.com/what-to-do-in-paris/info/guides/leisure-and-disability 
Banking
There are a multitude of banks  in Paris, both French and foreign. They are generally open from 9:00 to 17:00  or 18:00, from Monday to Friday, sometimes from Tuesday to Saturday.  Certain branches may close at lunchtime, between 12.30 and 14:00. Even though  you may find some banks who will accept your currency in exchange for euros,  you are more likely to come across exchange bureau, which specialize in this  type of transaction. Make sure you have your ID with you. 
 Your credit card will enable you  to withdraw cash in euros 24 hours a day at the hundreds of automatic  cashpoints in the city. They often give you the choice of instructions in  French, English or other languages. Make sure you check beforehand with your  own bank however, because you may be charged for this service. The majority of  international cards are accepted by cash dispensers at the principal French and  foreign banks. However, not all banks provide a currency exchange  service. In Paris,  you will find numerous exchange bureau in busy tourist areas and they are  usually open on Sundays too.
Banks and exchange bureau, such  as the CCF, fix their rates according to the market which fluctuates from day  to day. All rates should be displayed outside the agency. The exchange rate is  correct if the difference between buying and selling rates is approximately 5%. 
Business hours
 The majority of  shops are open all day from 9:00 to 19:00, Monday to  Saturday.  Some smaller shops may close over lunchtime  between 12:00 and 14:00, or all day on Monday. Sunday and public holidays arethe usual closing days,  although there are some exceptions. During the week, department stores all  have one late-night opening day, known as a  'nocturne', until 21:00. Supermarkets are  open at different times depending on the neighborhood, every day except Sunday,  until between 20:00 - 22:00. It’s worth noting that many smaller shops close  for their annual holidays from  mid-July to end of August.
Museums open at 9:00 or 10:00 and close between 17:00 and  18:00. Usual closing days are Monday or Tuesday, with a few  exceptions. Some are even open 7 days a week, such as some of the major  monuments which can even be visited as late as 23:00 or  midnight. Many museums have a late-night  opening once a week until 21:00 or 22:00. 
Climate and clothing
 Summers are  usually warm and comfortable, averaging 25°C during the day in July and August.  Evenings can be cool in summer, so it’s best to pack a light jacket or sweater. 
 For more information, visit: http://en.parisinfo.com/practical-paris/useful-info/climate
Currency
 On  1 January 2002, along with 11 other Member States of the European Union, France  adopted the euro currency. These notes and coins can therefore be used in any  country belonging to the euro zone: France, Germany, Belgium, the Netherlands,  Luxembourg, Austria, Finland, Ireland, Italy, Spain, Portugal and Greece. 
    - EUR 1 is divided into 100 centimes or cents.
 
    - Notes: EUR 5, 10, 20, 50, 100, 200 and 500.
 
    - Coins: 1, 2, 5, 10, 20 and 50 cents; EUR 1 and 2.
 
Customs information
 Please go to http://www.diplomatie.gouv.fr/en/coming-to-france/your-stay-in-france-practical/article/customs-information for more information on the below items: 
 Electricity
In France the norm is 220 volts,  with a frequency of 50 Hz (while in the United States or Canada, for example, it  is 110 volts for 60 Hz). Voltage and sockets vary from country to country and  so an adapter may be necessary. For more information: http://www.worldstandards.eu/electricity/plug-voltage-by-country/
 Emergency numbers
 The pan-European emergency  number 112 can be called for any type of emergency and an operator will direct  you to the appropriate French department.  Alternatively, specific  services can be reached as follows:
    - Fire brigade: 18 
 
    - Police: 17 
 
    - Accident and Emergency:  15 
 
    - AIDS/HIV info service:  0800 840 800 
 
More information can be found here: http://www.expatica.com/fr/about/Emergency-numbers-in-France_101100 
Health services
 Chemists (called pharmacie in France) are  usually open straight through from 8am to 8pm. They take it in turns to close  on Sundays and also sometimes on Mondays. When a chemist is closed, the  addresses of the nearest duty chemists are displayed on the door. A few  chemists remain open late and even all night.
In the French yellow pages (PagesJaunes), you will find a more comprehensive listing of  doctors under "Medecins generalistes" and "Medecins  specialistes" under their speciality, e.g: dermatology,  cardiology.... Alternatively, ask at your place of accommodation for the  closest doctors. You may wish to ask the consultation fees in advance, prior to  making an appointment, in order to avoid issues concerning payment for services  provided.
 In case of emergency, the pan-European  emergency number 112 can be called for any type of emergency. Or alternatively  dial `15` for Accident and Emergency.
For further information on the French Medical  system you can visit the "assurance maladie"website http://www.ameli.fr (website in French). 
Language
The official language in Paris is French and English is not widely spoken. A French phrasebook could come in handy.
National  and international calls
The France country code 33 will  allow you to call France from another country (use the international access  code 00 prior to dialing 33), followed by an area code. 
 All  French numbers have 10 digits and begin with 0. The prefix for Paris and Ile-de-France numbers is 01 and mobile  numbers start with 06.
 0 800 and 0 804, 0 805, 30 00,  31 44, 36 55 all denote a free service. Other special telephone numbers have  specific tariffs from land lines. 
 Contact your mobile phone  operator who will confirm whether or not your mobile is compatible with the  French network and also explain how you will be charged for calls received from  your own country or that you make while abroad (local and international calls).
Metric measures
 The  system of measurement used in France is the metric system, and temperatures are  expressed in degrees Centigrade.
It’s  worth noting too, that in France decimals are indicated by a comma and not a point, as in English-speaking countries.
Security and safety
Paris is generally a  safe place to visit, but keeping a smart lookout while venturing around the  city is still key. Personal safety is high, but if you leave any items  unattended, you risk it being stolen. It is recommended that you travel with  another person, and, whether alone or accompanied, do not walk in deserted  areas, especially after dark. Ask locals or the reception at your hotel to  advise you on areas that should be avoided. 
Emergency  telephone number: 112 (for any type of emergency)
Smoking laws
Initially  smoking was banned in all enclosed and covered public places,  workplaces, health centers, schools and/or institutions designed to receive,  educate or host the underage, as well as in all public transport. 
 Since  1 January 2008, this ban has been extended to so-called “gathering venues”: hotels, restaurants,  bars, tobacco shops, casinos and nightclubs. However, smoking is allowed on  café, restaurant and pub terraces, as long as they are not covered, or enclosed. 
Time zone
 Paris is  in the Central European Time Zone. You can see Paris’ time in relation to most  cities on the globe by visiting http://www.TimeAndDate.com. 
Taxes
The tourist tax  is intended to contribute to the development and promotion of tourism by enabling French municipalities, including Paris, to finance expenses linked to tourist  arrivals or to the protection of their natural areas. 
All travelers staying in one of the following types of accommodationhave a legal obligation to pay the  tourist tax: tourist hotels, aparthotels, furnished rentals, Bed & Breakfasts, holiday villages, accommodation outdoors and youth hostels. The amount of the  tourist tax varies from EUR 0.20 (for 1- and 2-star campsites) to EUR 4 per person and per night.
 This amount is not always included in the price of  the accommodation, it may be that the hotelier, proprietor or owner asks the traveler to pay it separately.
Tipping
In France, prices shown include tax and service.  However, if the service has been particularly good, you may wish to leave a tip  in order to show your appreciation. As a general rule, the amount is 5 to 10%  of the total bill.