Custom html block using table

@Heath
I thought i might be able to do this in my experience page by passing the current time using a context variable then doing some math on it to subtract time, however this doesn’t seem to be working. I have created the number variable {{ctx.timenow}} and have set this to {{time}} on my experience page, but it doesn’t seem to pass through:
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to test if the time is being passed through I referenced it in the block title:


but when i render the experience page it stays at the default value:
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Is there a reason this isn’t working as i thought it might?

thanks