Prayer: Should temporary residents (e.g., students or soldiers) intend to stay 10 days in a city to pray full and fast?

Practical Laws of Islam as per the teachings of Imam Khamenei

Prayer: Should temporary residents (e.g., students or soldiers) intend to stay 10 days in a city to pray full and fast?

English:

Question #640:

There are people who take residence in a certain city for a period exceeding one year, or the soldiers who have to reside in a city for one or two years in order to complete their military service. Is it obligatory for them to intend to stay there at least for ten days after each travel so that they can perform their prayers in full and fast? What rule applies to their prayers and fasting if they intend to stay for less than ten days?

Answer #640:

In the given case, they say full prayer and fast in that city.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Prayer