Assets can only be purchased during the respective trading sessions. If, for example, a trader wants to buy shares, then this can only be done at a certain exchange time, when trading is open.

Exchanges of different countries operate according to their own schedule - exclusively on weekdays. And it may happen that in one country this day is ordinary, and in another it is a holiday. For example, on July 4, stock exchanges, for example, work in Japan, but not in the USA.

Another rule that is common to most of them is that usually the exchange does not provide for a lunch break - all over the world, except for the Asian region, where such a break is more the rule than the exception. Exchange sessions are distinguished by region. For example, there is a European time of exchange sessions, when trading opens in London, as well as American and Asian ones.