Ramadan, one of the holiest celebrations of the Islamic community is observed throughout the 9th month of the Islamic calendar. Ramadan in 2016 will be celebrated throughout the world from June,6th to July, 5th.
The timetable (Schedule) for Ramadan usually varies from one country to another. Also, the Ramadan schedule in one state or city will be different from that of another in a certain country. The Islamic calendar being lunar, the months migrate throughout the seasons and shift backward around 2 weeks every year. So, in your lifetime, you may celebrate Ramadan sometimes in mid-summer and sometimes in winter. The fact is that the date of Ramadan shifts based on when people on earth can view the new moon.