Could you use Time::Piece to convert your timestamps to seconds since the epoch using epoch(), then you'll have simple XY data and you can use GD::Graph::histogram?

I've never used that module so I'm not sure what will happen with the X labels, but hopefully you'll be able to set those yourself.

In reply to Re: Bar chart of binned timestamp data by RichardK
in thread Bar chart of binned timestamp data by v4169sgr

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