UB,
when I 1st came across the problem (many moons ago), I tried calling getAllMarkets, Get Market & GetMarketInfo and none of them updated the time if a race time was amended by the stewards during a race meeting (in Aus).

My fix was to check BF race times with UniTAB times 5 minutes before race start(as stated by BF) - this worked well Saturday by displaying the difference and amending the the race time.

Times being shown earlier on BF is annoying in that if a clock is displayed by the bot, it will just show the race being delayed and will continue to show an hour later (very annoying) - it also upsets any bot that commences betting 5 or so minutes before scheduled start time.

In Aus (apart from Saturdays) there is very little money on the bet/lay side until < 5 minutes before the start - the prov/country meets would be affected however if you were betting them yesterday (Toowoomba, Gold Coast & Mudgee until it was abandoned).

Those are the concerns IF the time is early as would happen when we go into daylight saving - now reverse that and the times when coming out of daylight saving would be an hour later than the real race starts - real fun & games.

I also find it interesting that Betfair update the time in one place and not do any of the more frequently used calls.

I have just checked the Sports Exchange HTML for the free Betfair API and can't see any reference to "GetMarketTime" - can you give some more info on this.

cheers