I would like to request Experts help create a macro to automatically update Column D with total duration of each title. The total duration of the title is obtained by identify time deterrent between each title at column A (e.g. title 1 at 00:00hrs, title2 starts at 00:30hrs, the different is 30mins). II have manually update few sample at column D for Experts perusal. Hope Experts could help me create this macro.