Is there ever a right time to ask a superior for a letter of recommendation?
Emails can help.
Of course, when they're busy, it's best to let them be and choose a time that's more appropriate if you're doing so in person.
So what's the right way?
On That's How! Roshan Gidwani uncovers some key points that can help you figure out how to ask for a letter of recommendation.
Source: https://sg.indeed.com/career-advice/career-development/how-to-ask-for-a-letter-of-recommendation

That's How!: How to know if you should be a notary
03:14

That's How!: How to know if you should be a lawyer
04:00

That's How!: How to know if you should be a veterinarian
03:38