When should you ideally ask for a recommendation letter?

Asking for a recommendation letter several weeks or a month in advance is considered ideal because it allows the person writing the letter ample time to prepare a thoughtful and well-written response. This timeframe can lead to a more comprehensive and personalized recommendation, as the recommender can reflect on your strengths, achievements, and relationship with you. Additionally, giving advance notice demonstrates respect for the recommender’s time and effort, increasing the likelihood that they will be willing to help you.

Proposing a request the day before it is due does not provide sufficient time for the recommender to craft a meaningful letter, which may result in a rushed or less impactful recommendation. Requesting a letter during the first week of class may be too early if the recommender does not yet know you well or may not remember your contributions clearly later on. As for asking only when applying, this approach can limit your options and potentially reduce the quality of the recommendation, as it doesn’t afford time for the recommender to consider your request in depth.