I doubt very much that you only have one hour a day in which to practise.
What you probably mean is that you have only one hour a day of
continuouspractice.
But - and this is the beauty of it - there is no reason to practice for one hour solid. In fact there are several disadvantages.
Instead think of practising in 10 – 15 minutes chunks (or 20 – 30 minutes at the most). If you go around your day you may find that you have several such time chunks being wasted. If you use these 10 – 15 minutes chunks to practise, you may be surprised how many hours in a day you can do at the piano when you add them all up.
However, for this approach to amount to anything, you must do a lot of planning to make sure that your small practice segments amount to something at the end of a period of time. In short, you must plan your work, and then you must work your plan.
You also need to be disciplined, because in this area
consistency is the key.
Have a look here for more discussions on this (very important) subject:
https://pianoforum.net/smf/index.php/topic,1825.msg13858.html#msg13858(Accommodating practice times – 10 minute sessions – some mention on mental practice)
https://pianoforum.net/smf/index.php/topic,2526.msg21829.html#msg21829(how to organise piano practise in short/medium/long term – Principle of memory retention – Principle of 15 minute sessions – stopping when you achieve your goals. Teachers should teach how to learn)
https://pianoforum.net/smf/index.php/topic,3039.msg26525.html#msg26525(how big are your hands, and does it matter? 7 x 20 minutes – exercise/activities to strengthen the playing apparatus – ways to deal with wide chords – the myth that Richter was self-taught – 3 stages of learning – Example: Chopin militaire Polonaise- scientific principles for testing practice methods – Example: Prelude in F#m from WTC1 – when to join hands and why HS – practice is improvement – the principle of “easy” – Example: Chopin’s ballade no. 4 – repeated groups)
https://pianoforum.net/smf/index.php/topic,4105.msg37603.html#msg37603(Does age and practice time matter? Summary of the 7 x 20 approach – averages and standard deviations are given for the several numbers – need for a practice diary – how to deal with mastering something and forgetting it next day – what exactly is mastery – the 3 stages of mastery)
https://pianoforum.net/smf/index.php/topic,3561.msg31700.html#msg31700(7 X 20 principle, how do you know when you mastered a section, when to use the methods, and when they are not necessary – investigating the reasons for difficult)
https://pianoforum.net/smf/index.php/topic,4689.msg44184.html#msg44184(20 minutes – practice starts when you get it right – definition of mastery : learned – mastered – omniscience – Aim for easy – final speed in practice must be faster than performance speed – Example: Chopin Op. 10 no. 2 – outline – repeated note groups – HS x HT)
https://pianoforum.net/smf/index.php/topic,4710.msg44538.html#msg44538(more about 7 x 20 minutes – Progress is the ultimate decider – How to break a piece in practice sessions – Example: Satie gymnopedie – importance of planning – aim at 100 pieces per year – Example: Bach Cm WTC 2 -)
https://pianoforum.net/smf/index.php/topic,4750.msg45125.html#msg45125(more details: learned – mastered –omniscience – why repertory must be paramount – how to work on 20 pieces per month – a case for easy repertory – importance of discipline and of having a plan – analogy of mastering a piece and making wine – musicality is ultimately good taste – Example: Beethoven op. 49 no. 2- A list of progressive repertory to lead to Rach prelude op. 32 no. 5 – mastery is when it is easy)
https://pianoforum.net/smf/index.php/topic,4858.msg46087.html#msg46087(Paul’s report on B’s method. HS x HT – Example: Lecuona’s malaguena – 7x20 – need to adjust and adapt – repeated note-groups – importance of HS – hand memory – 7 items only in consciousness – playing in automatic pilot - )
I hope this helps.
Best wishes,
Bernhard.
Topic: Practice time