Most authors spend six months to a year writing a book. However, your schedule will be determined by the length and genre of your novel, as well as your daily writing practice. An average novel usually lasts from 60 to 100 thousand words.
If you plan to write a full-length novel in one year, you'll need to write at least two hours every day. That's not too difficult if you have a routine and stick to a schedule.
But even if you don't get everything done each day, that's still more than most people who say they want to write a novel but never do.
The most important thing is to start. Even if you think it's not possible or it's too hard, try anyway. You might surprise yourself!
Writing a book can take anything from two months to a year, depending on the word count, frequency of writing, and amount written per session. A reasonable rule of thumb is to give yourself at least four months to write a book. That's enough time for a medium-length work, but not so much that you feel overwhelmed by the project.
When you start a new book, you'll probably want to write every day. But that won't last long; soon you'll need a break from writing to concentrate on other tasks or even sleep! It's important to set aside time each day to write; miss out on a day's work and it could be difficult (if not impossible) to recover later.
Of course, you don't have to write in one go. You can break your manuscript up into chapters or scenes, which makes developing the story and its characters easier. Then when you come back to it, you're not as likely to get stuck without fresh inspiration or motivation to keep going.
In terms of length, books can range from 5,000 words all the way up to hundreds of pages. However, most books are around 100,000 words (about 25 minutes of reading). So if you estimate that you can write 1,000 words per hour, then it will take you about three hours to write a book.
The length of time it takes to create a novel varies according to the author. An average of 6 to 9 months for the first novel is a reasonable estimate for a debut novel. Some take a month to write, while others take years. The only real way to know how long it will take you to write your book is by starting it.
I wrote my first book when I was 24 years old. It took me about 10 months to write and edit it so it's a fair estimate that it will take you around 12 months to write and edit your book. That's not exactly fast work but it's not bad either. Of course, the more experience you have the faster you'll write so expect it to go much quicker once you reach the second half of your project.
I would say give yourself about a year to write and edit your book. That gives you enough time to get it right and makes sure you don't suffer from writer's block or any other problems that may arise during the process.
Once you've finished writing be sure to show your book to someone who has never read it before so they can give you some feedback and help you improve if needed. I'd also recommend joining groups on Facebook or Reddit which are full of authors looking for feedback from readers.