http://travel-t-o-japan.blogspot.com/2011/10/money-exchange-for-japan-services-money.html
Money Exchange for Japan -Services - Money
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Currency information:
Japanese Yen (JPY; symbol ¥). Notes are in denominations of ¥10,000, 5,000, 2,000 and 1,000. Coins are in denominations of ¥500, 100, 50, 10, 5 and 1.
Note: Japan has a strong cash culture, and it is usual to see people carrying large amounts of cash with them because of the low crime rate. It is only recently that credit cards have begun to become more popular. However, travellers may still encounter difficulties with foreign credit cards.
Credit cards:
American Express, Diners Club, MasterCard, Visa and other major credit cards are widely accepted in towns. ATMs are available with many branches of the Post Office and 7-eleven stores having ones that accept foreign cards. Otherwise, only international banks accept foreign credit or debit cards, and these are hard to find outside of major cities. They are generally open Mon-Fri 0700-2300, Sat-Sun 0900-1900, though some only operate during normal banking hours and on Saturday mornings. Citibank machines are the most likely to have ATMs, and also to accept foreign credit cards (and are usually open 24 hours).
ATM:
ATMs are available with many branches of the Post Office and 7-eleven stores having ones that accept foreign cards. Otherwise, only international banks accept foreign credit or debit cards, and these are hard to find outside of major cities. They are generally open Mon-Fri 0700-2300, Sat-Sun 0900-1900, though some only operate during normal banking hours and on Saturday mornings. Citibank machines are the most likely to have ATMs, and also to accept foreign credit cards (and are usually open 24 hours).
Travellers cheques:
These can be exchanged at most major banks, larger hotels and some duty-free shops. To avoid additional exchange rate charges, travellers are advised to take traveller's cheques in Japanese Yen or US Dollars.
Banking hours:
Mon-Fri 0900-1500.
Currency restriction:
There are no restrictions on the import or export of local or foreign currency. However, amounts exceeding ¥1,000,000 or equivalent must be declared.
Currency exchange:
All money must be exchanged at an authorised bank or money changer.
