Ruling · Paraśurāma Jayantī · 1973

Friday 4 May

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 Friday 4 May

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

19:13 sunsetpradoṣa ends 20:33
18:4919:1319:3720:0120:2520:4921:13

0 of 81 minutes covered

Evening of Saturday 5 May

Tṛtīyā is absent from pradoṣa. Not taken.

19:14 sunsetpradoṣa ends 20:34
18:5019:1419:3820:0220:2620:5021:14

0 of 80 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 22:00 on Fri 4 May to 18:38 on Sat 5 May.

    1973-05-04T13:59:46Z → 1973-05-05T10:37:58Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:13–20:33 on the 4th, 19:14–20:34 on the 5th.

    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 81 minutes on the 4th and 0 of 80 on the 5th.

    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 2138 s

  5. 05

    Ruling

    Paraśurāma Jayantī, Baoding, 1973: Friday 4 May.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Paraśurāma Jayantī 1973 falls on Friday 4 May. Tṛtīyā runs from 22:00 on Fri 4 May to 18:38 on Sat 5 May, and reaches pradoṣa on neither day.

ahargana.org/baoding/festivals/1973/parashurama-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 4 May
Ahargaṇa, classicalDisc centre, no refractionFri 4 May
compat-drikpanchangComparison profileFri 4 May
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 4thCoveredSunset 5thCoveredRuled
Los Angeles07:00 → 03:3819:3983 min19:400 min4 May
Chicago09:00 → 05:3819:5279 min19:530 min4 May
Jersey City10:00 → 06:3819:5579 min19:560 min4 May
Port of Spain10:00 → 06:3818:1992 min18:190 min4 May
London15:00 → 11:3820:2872 min20:300 min4 May
Durban16:00 → 12:3817:18105 min17:180 min4 May
Dubai18:00 → 14:3818:5087 min18:510 min4 May
Delhi19:30 → 16:0818:5853 min18:580 min4 May
Kolkata19:30 → 16:0818:042 min18:050 min4 May
Singapore21:30 → 18:0818:360 min18:360 min4 May
Sydney00:00 → 20:3817:120 min17:11107 min5 May
Suva02:00 → 22:3817:450 min17:45101 min5 May
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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