The Official Chart on Radio 1 will be moved to Fridays from July, in line with the new global release day, suggesting that's the month the synchronised release date for new music will come into play too.

The countdown of the 40 best-selling and most streamed singles in the UK will take place from 4-6pm on Greg James' (pictured) show.

Beginning in the 1960s as Pick Of The Pops, The Official Chart is currently broadcast from 4-7pm ...