Ruling · Paraśurāma Jayantī · 1980

Thursday 17 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 345 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Wednesday 16 April

Tṛtīyā is absent from pradoṣa. Not taken.

18:56 sunsetpradoṣa ends 20:21
18:3218:5619:2019:4420:0820:3220:56

0 of 86 minutes covered

Evening of Thursday 17 April

Taken. The only evening Tṛtīyā reaches.

18:57 sunsetpradoṣa ends 20:22
18:3318:5719:2119:4520:0920:3320:57

86 of 86 minutes covered

Tṛtīyā presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 04:55 on Thu 17 Apr to 02:07 on Fri 18 Apr.

    1980-04-16T20:54:41Z → 1980-04-17T18:07:30Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:56–20:21 on the 16th, 18:57–20:22 on the 17th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Tṛtīyā must be present during pradoṣa. It covers 0 of 86 minutes on the 16th and 86 of 86 on the 17th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 20724 s

  5. 05

    Ruling

    Paraśurāma Jayantī, Baoding, 1980: Thursday 17 April.

    confidence: determinate

Say it like this

In Baoding, Paraśurāma Jayantī 1980 falls on Thursday 17 April. Tṛtīyā runs from 04:55 on Thu 17 Apr to 02:07 on Fri 18 Apr and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1980/parashurama-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 17 Apr
compat-drikpanchangComparison profileThu 17 Apr
No institution has a recorded ruling for Baoding.

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

The rule, as data

/rules/parashurama-jayanti · ruleset 2026.3-draft

Month
Vaiśākha, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Pradoṣa
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāSunset 16thCoveredSunset 17thCoveredRuled
Los Angeles12:55 → 10:0718:2587 min18:260 min16 Apr
Chicago14:55 → 12:0718:3385 min18:340 min16 Apr
Jersey City15:55 → 13:0718:3785 min18:380 min16 Apr
Port of Spain16:55 → 14:0718:1793 min18:170 min16 Apr
London21:55 → 19:0719:590 min20:000 min16 Apr
Durban22:55 → 20:0717:350 min17:34102 min17 Apr
Dubai00:55 → 22:0718:420 min18:4290 min17 Apr
Delhi02:25 → 23:3718:470 min18:4889 min17 Apr
Kolkata02:25 → 23:3717:570 min17:5790 min17 Apr
Singapore04:25 → 01:3718:380 min18:3895 min17 Apr
Sydney06:55 → 04:0717:310 min17:30103 min17 Apr
Suva08:55 → 06:0717:560 min17:5599 min17 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
parashurama-jayanti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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