Ruling · Paraśurāma Jayantī · 1963

Thursday 25 April

Boundaryin Baoding, under the Rashtriya Panchang method. Tṛtīyā reaches pradoṣa on neither day and the rule does not say what then. Say “contested”.

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 Thursday 25 April

Taken. Tṛtīyā reaches neither evening; this is the day it falls on.

19:03 sunsetpradoṣa ends 20:27
Tṛtīyā begins 20:52:03
18:3919:0319:2719:5120:1520:3921:03

0 of 83 minutes covered

Evening of Friday 26 April

Tṛtīyā is absent from pradoṣa. Not taken.

19:04 sunsetpradoṣa ends 20:27
18:4019:0419:2819:5220:1620:4021:04

0 of 83 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 20:52 on Thu 25 Apr to 17:34 on Fri 26 Apr.

    1963-04-25T12:52:03Z → 1963-04-26T09:34:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:03–20:27 on the 25th, 19:04–20:27 on the 26th.

    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 83 minutes on the 25th and 0 of 83 on the 26th.

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

  4. 04

    Tie-break

    Neither evening qualifies. The day the tithi falls on is taken.

    priority: paraviddha → tithi-day · margin 1517 s

  5. 05

    Ruling

    Paraśurāma Jayantī, Baoding, 1963: Thursday 25 April.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Paraśurāma Jayantī 1963 falls on Thursday 25 April. Tṛtīyā runs from 20:52 on Thu 25 Apr to 17:34 on Fri 26 Apr, and reaches pradoṣa on neither day.

ahargana.org/baoding/festivals/1963/parashurama-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 25 Apr
compat-drikpanchangComparison profileThu 25 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 25thCoveredSunset 26thCoveredRuled
Los Angeles04:52 → 01:3418:3185 min18:320 min25 Apr
Chicago06:52 → 03:3418:4282 min18:430 min25 Apr
Jersey City07:52 → 04:3418:4582 min18:460 min25 Apr
Port of Spain08:52 → 05:3418:1792 min18:180 min25 Apr
London13:52 → 10:3420:1276 min20:140 min25 Apr
Durban14:52 → 11:3417:27103 min17:260 min25 Apr
Dubai16:52 → 13:3418:4588 min18:460 min25 Apr
Delhi18:22 → 15:0418:5287 min18:530 min25 Apr
Kolkata18:22 → 15:0418:0067 min18:010 min25 Apr
Singapore20:22 → 17:0418:370 min18:370 min25 Apr
Sydney22:52 → 19:3417:220 min17:20105 min26 Apr
Suva00:52 → 21:3417:500 min17:50100 min26 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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