Why Tuesday specifically
Tuesday (Mangalvar) is named for Mangal, the planet Mars, associated with strength, courage and protection from difficulty — qualities closely tied to Hanuman's own character as a warrior devotee. Saturday, ruled by Shani (Saturn), is Hanuman's second traditional day, since devotion to Hanuman is widely believed to ease the harshest effects of a difficult Shani period.
How the day is typically observed
Many devotees visit a Hanuman temple, offer sindoor (vermillion) and til (sesame oil), and recite the Hanuman Chalisa — sometimes the Hanuman Ashtak or Bajrang Baan too if facing a specific difficulty. A Tuesday fast is common, often broken only after evening darshan and aarti, and red or orange clothing is considered auspicious for the day, echoing Hanuman's own traditional colour.
Budhwa Mangal
The first Tuesday of the Hindu month of Jyeshtha, known as Budhwa Mangal, is celebrated with particular devotion at Hanuman temples in North India, often with large community gatherings, bhandaras (free meals) and extended recitation.
A rhythm that makes devotion easier
As with Monday for Shiva or Friday for the goddess, having a fixed weekly day for Hanuman gives devotees a natural, recurring point to return to — useful during ordinary weeks and especially during a stretch of difficulty, when Tuesday becomes a reliable anchor rather than something to remember to schedule.