March 1987 · each Moon as it stands at sunrisePhālguna Śukla to Caitra ŚuklaThe month ›

Ruling · 1987 · Doha

Vasantotsava

Monday 16 March1987 · Doha, Baladiyat ad Dawhah, Qatar

Determinatemargin 629 min

In Doha, under the Rashtriya Panchang method. Clear of every threshold by 629 minutes.

Decide it forDohaDelhiKolkataSingaporeSydneyJersey City25°17′ N 51°32′ E · Asia/Qatar · GeoNames 290030

The two sunrises सूर्योदय

One ghaṭī is 24 minutes

The sunrise is read as upper limb, 31′ + 16′.

Sunrise of Sunday 15 March

Pratipadā does not hold at sunrise. Not taken.

05:44 sunrise
04:3204:5605:2005:4406:0806:3206:56

Absent at sunrise

Sunrise of Monday 16 March

Taken. The only sunrise Pratipadā holds at.

05:43 sunrise
04:3104:5505:1905:4306:0706:3106:55

Holds at sunrise

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

How it was decided निर्णय

  1. Step 1, Aṅga

    Pratipadā runs from 16:13 on Sun 15 Mar to 16:12 on Mon 16 Mar.

    1987-03-15T13:12:41Z → 1987-03-16T13:12:08Z
  2. Step 2, Kāla

    Sunrise is at 05:44 on the 15th and 05:43 on the 16th.

    sunrise: upper limb, 31′ + 16′
  3. Step 3, Rule

    Pratipadā must be current at sunrise. It is not on the 15th and is on the 16th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
  4. Step 4, Tie-break

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

    one day qualifies → only-day · margin 37713 s
  5. Step 5, Ruling

    Vasantotsava, Doha, 1987: Monday 16 March.

    confidence: determinate

Say it like this

In Doha, Vasantotsava 1987 falls on Monday 16 March. Pratipadā runs from 16:13 on Sun 15 Mar to 16:12 on Mon 16 Mar and is current at sunrise that day.

ahargana.org/doha/festivals/1987/vasantotsavapac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 16 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 16 Mar
compat-drikpanchangComparison profileMon 16 Mar
No institution has a recorded ruling for Doha.

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

The rule, as data

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 clocks

PlacePratipadāSunrise 15thCoveredSunrise 16thCoveredRuled
Los Angeles05:13 → 05:1206:04holds06:03no15 Mar
Chicago07:13 → 07:1206:04no06:02holds16 Mar
Jersey City08:13 → 08:1206:09no06:07holds16 Mar
Port of Spain09:13 → 09:1206:14no06:13holds16 Mar
London13:13 → 13:1206:16no06:14holds16 Mar
Durban15:13 → 15:1205:56no05:57holds16 Mar
Dubai17:13 → 17:1206:29no06:28holds16 Mar
Delhi18:43 → 18:4206:32no06:31holds16 Mar
Kolkata18:43 → 18:4205:46no05:45holds16 Mar
Singapore21:13 → 21:1207:11no07:11holds16 Mar
Sydney23:13 → 23:1205:54no05:55holds16 Mar
Suva01:13 → 01:1206:09no06:09holds16 Mar
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vasantotsava@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s