Electrical equipment work time monitoring

Dear Experts,

I am new to Home assistant but is a good Linux guy. Kindly help me configure a Device ( Electrical equipment ) work time monitoring dashboard. I would like to know the duration of working of my Geyser and Fans daily weekly and monthly. Is there anyway I can do it ? I have seen a few threads like below but not a concrete answer to my question above.

Thanks and Regards

Use an energy monitoring device to collect the data. It should be easy to use the history (database file) to collect the data you want.

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Thanks for the reply. So we cant do it the DIY way with Relay swtiches and Home automation software functionalities ?

You can use utility meter to cycle daily, weekly and monthly consumption of a device and display data in dashboard.

You can, but why when there is already an easy method using energy monitoring?