UK Visa before 3 months before intended date if it is an extended vacation?

I am an Indian Citizen, currently living in Canada(PR). I am traveling from Vancouver to Bombay on 17th Jan, 2020. My return flight is on March 5 from Bombay. I am stopping in UK for 5 days and my return flight from Heathrow to Vancouver is on 10th March.
As per UK visa website, you should apply 3 months before your intended travel date. In my scenario, March 5, 2020 is the date when I arrive in UK so that means I can apply latest by December 5, 2019.
I was wondering since I will leave Canada on Jan 17, 2020 can I apply to UK Visa beforehand?
How long does it take to get Biometric Appointment? Let's say even if i apply on Dec 5, 2019. Will I be able to get visa before Jan 17?
Help Appreciated.
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Can I apply UK visa earlier than 3 months?
The earliest you can apply is usually: 3 months before your planned travel date for visit visas. 3 months before your employment start date for most work visas. 6 months before your course start date for Student and Child Student visas.Can I travel 3 months before my visa expires?
As long as you have a valid multiple entry visa to the USA, you may travel to the USA any time before the expiration date. That's why there's an expiration date. Utterly separately, some countries require you to have a passport with at least 90 days validity on the day you leave that country.Can I visit the UK twice in a tourist visa holding of a 6 month multi visit visa?
That six-month limit on any one stay applies even if the visit visa is valid for much longer, such as a two-year, five-year or ten-year multi-entry visa. The visitor is permitted to stay in the UK for a maximum of six months from the date of any given entry (or up to the expiry date on the visa, whichever is soonest).Can I renew my UK visa 3 months before it expires?
How Far in Advance can I Renew my UK Visa Before it Expires? You can renew your UK visa well in advance of it expiring. It is generally stated that you can submit an application for a renewal or for a new visa at any time, and you don't have to wait for your current leave to come to an end.UK VISA PROCESSING TIME UPDATE 2022 | How to get UK Visa Faster | UK Visa Delay
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
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