Today (Thursday) or tomorrow (Friday). People are more open to negotiation on Thursday and Friday because they want to finish their work week with a minimum of conflict. Also, be sure to avoid Wednesdays. That’s when tensions
tend to peak, and the boss is most likely to turn you down when you ask for a raise.
‍

Source: Buy Ketchup in May and Fly at Noon, by Mark Di Vincenzio

‍