Ruling · Vasantotsava · 2029

Thursday 1 March

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 489 minutes.

Decide it for

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two sunrises

One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.

Sunrise of Thursday 1 March

Taken. The only sunrise Pratipadā holds at.

06:49 sunrise
05:3706:0106:2506:4907:1307:3708:01

Holds at sunrise

Sunrise of Friday 2 March

Pratipadā does not hold at sunrise. Not taken.

06:48 sunrise
05:3606:0006:2406:4807:1207:3608:00

Absent at sunrise

Pratipadā presentSunrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 22:40 on Wed 28 Feb to 19:01 on Thu 1 Mar.

    2029-02-28T17:10:16Z → 2029-03-01T13:31:08Z

  2. 02

    Kāla

    Sunrise is at 06:49 on the 1st and 06:48 on the 2nd.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 1st and is not on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one sunrise qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 29312 s

  5. 05

    Ruling

    Vasantotsava, Ujjain, 2029: Thursday 1 March.

    confidence: determinate

Say it like this

In Ujjain, Vasantotsava 2029 falls on Thursday 1 March. Pratipadā runs from 22:40 on Wed 28 Feb to 19:01 on Thu 1 Mar and is current at sunrise that day.

ahargana.org/ujjain/festivals/2029/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 1 Mar
compat-drikpanchangComparison profileThu 1 Mar
No institution has a recorded ruling for Ujjain.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/vasantotsava · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Pratipadā
Kāla
Sunrise
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāSunrise 28thCoveredSunrise 1stCoveredRuled
Los Angeles09:10 → 05:3106:23no06:21no28 Feb
Chicago11:10 → 07:3106:27no06:25holds1 Mar
Jersey City12:10 → 08:3106:32no06:30holds1 Mar
Port of Spain13:10 → 09:3106:21no06:21holds1 Mar
London17:10 → 13:3106:48no06:46holds1 Mar
Durban19:10 → 15:3105:47no05:47holds1 Mar
Dubai21:10 → 17:3106:43no06:42holds1 Mar
Delhi22:40 → 19:0106:47no06:46holds1 Mar
Kolkata22:40 → 19:0105:59no05:58holds1 Mar
Singapore01:10 → 21:3107:15no07:14holds1 Mar
Sydney04:10 → 00:3106:42no06:43holds1 Mar
Suva05:10 → 01:3106:05no06:05holds1 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vasantotsava@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s