ManualGMToffset work on backtesting?

Is manualGMTOffset work on backtest?

I backtest for order open in London session by manualGMTOffset

but signal show almost all time.

What wrong?

LONNV:

Is manualGMTOffset work on backtest?

I backtest for order open in London session by manualGMTOffset

but signal show almost all time.

What wrong?

It's good for letting us trade