RK
It's based on whether a programme is taken by affiliate or partner stations. Focus on Africa is always fixed at 1730 GMT or 1930 CAT throughout the year, while World News America is fixed to 1700 & 1730 ET/EDT. The first half hour of GMT is taken by some US PBS stations, AFAIK, and is also fixed.
http://bbcwwpartners.com/media/976897/schedule_-_2018_apr_to_2018_nov__.xlsx_.xlsx
PBS usually takes GMT when it’s a full hour (but only air the first) at 7AM ET — when they’re in Studio B.
Because BBC World seems to be scheduled according to US times rather than GMT/BST.
It's based on whether a programme is taken by affiliate or partner stations. Focus on Africa is always fixed at 1730 GMT or 1930 CAT throughout the year, while World News America is fixed to 1700 & 1730 ET/EDT. The first half hour of GMT is taken by some US PBS stations, AFAIK, and is also fixed.
http://bbcwwpartners.com/media/976897/schedule_-_2018_apr_to_2018_nov__.xlsx_.xlsx
PBS usually takes GMT when it’s a full hour (but only air the first) at 7AM ET — when they’re in Studio B.