Travel and the panchang
Some travellers check the panchang before a journey, looking at the weekday, the Moon's nakshatra and Rahu Kaal. The practice is traditional and its rules vary.
What it is
Common checks include avoiding Rahu Kaal for the departure, and choosing a weekday that a tradition associates with travel. The rules differ between traditions, and the texts give more than one list.
How it is worked out or read
The panchang shows the weekday, the Moon's nakshatra and Rahu Kaal for a city on a date. It is a reference, and the decision to travel is made on practical grounds.
Where it appears on this site
The panchang shows these fields for any date. The Rahu Kaal article explains the period.
Why travellers consult the panchang
Travel has always been one of the commonest reasons for consulting the panchang. In earlier times a journey could take weeks and carry real risk, and families looked for a good day to set out as a way of taking care. Today the journey may take hours, but many people still check the day, partly from custom and partly because it gives a calm moment of preparation before leaving. The panchang offers several tools for this: the weekday, the nakshatra, the tithi and the daily windows.
Pilgrimage and the calendar
Many pilgrimages are tied to the calendar. Festivals at major temples fall on particular tithis, the great Kumbh gatherings are fixed by the positions of Jupiter and the Sun, and many holy baths are timed to sankrantis, eclipses or Purnima. For these journeys the date is set by the calendar itself, and the traveller's task is to plan around it: booking early, checking the exact timing of the auspicious window and allowing for crowds.
The panchang page on this site gives the tithi and nakshatra end times needed to time a bath or darshan.
Returning home
Some traditions pay as much attention to the return as to the departure, and to the moment of re-entering the home after a long absence. The same tools apply: a reasonable weekday, avoidance of Rahu Kaal for the moment of entry, and, for those who follow it, a check of the nakshatra. Families who follow griha pravesh customs for a new house sometimes observe a simpler version when returning from a long journey.
Travelling across time zones
When travelling abroad, the panchang must be read for the place where the traveller is, not for the home city. Sunrise and sunset, and so Rahu Kaal and choghadiya, depend on the local sky. Tithi and nakshatra change at the same absolute moment everywhere, but that moment falls at a different local clock time, and sometimes on a different civil date. The panchang on this site currently covers major Indian cities. Abroad, use an almanac made for the place, or enter the local latitude, longitude and UTC offset in the birth chart tool to see the Moon's sign and nakshatra for any moment.
A sensible balance
The panchang is a tool for care, not a source of anxiety. When schedules are fixed by airlines, employers or family events, the traditional rules can usually be honoured by small steps, such as leaving home a little earlier or later, or beginning the journey symbolically at a good time. Safety, health and practical arrangements always come first.