WordPress is quite easy to master when compared to other website-building tools. It might seem a little challenging to novice developers as they lack the required technical expertise. WordPress developers need deeper skills to create themes and plugins as per the client's requirements.
If you are planning to learn WordPress professionally, and wish to work on advanced tasks, it would take at least 6 months to master it all. Those who wish to work for clients should at least take a year or two by working with a team in a .