Ruling · Paraśurāma Jayantī · 1907

Wednesday 15 May

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 1 min 41 s away. 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 Tuesday 14 May

Tṛtīyā is absent from pradoṣa. Not taken.

19:21 sunsetpradoṣa ends 20:39
Tṛtīyā begins 20:40:50
18:5719:2119:4520:0920:3320:5721:21

0 of 78 minutes covered

Evening of Wednesday 15 May

Taken. The only evening Tṛtīyā reaches.

19:22 sunsetpradoṣa ends 20:40
18:5819:2219:4620:1020:3420:5821:22

78 of 78 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 20:41 on Tue 14 May to 23:04 on Wed 15 May.

    1907-05-14T12:40:51Z → 1907-05-15T15:03:39Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:21–20:39 on the 14th, 19:22–20:40 on the 15th.

    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 78 minutes on the 14th and 78 of 78 on the 15th.

    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 101 s < 300 s

  5. 05

    Ruling

    Paraśurāma Jayantī, Baoding, 1907: Wednesday 15 May.

    confidence: boundary (margin)

Say it like this

In Baoding, Paraśurāma Jayantī 1907 falls on Wednesday 15 May. Tṛtīyā runs from 20:41 on Tue 14 May to 23:04 on Wed 15 May and covers all of pradoṣa that evening. It is 1 min 41 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1907/parashurama-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 15 May
Ahargaṇa, classicalDisc centre, no refractionWed 15 May
compat-drikpanchangComparison profileWed 15 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 14thCoveredSunset 15thCoveredRuled
Los Angeles04:41 → 07:0418:4681 min18:460 min14 May
Chicago06:41 → 09:0419:0176 min19:020 min14 May
Jersey City07:41 → 10:0419:0477 min19:050 min14 May
Port of Spain08:41 → 11:0418:2091 min18:200 min14 May
London12:41 → 15:0419:4268 min19:440 min14 May
Durban14:41 → 17:0417:12107 min17:110 min14 May
Dubai16:22 → 18:4518:3685 min18:369 min15 May
Delhi18:11 → 20:3419:0384 min19:0484 min15 May
Kolkata18:11 → 20:3418:0884 min18:0986 min15 May
Singapore19:41 → 22:0418:060 min18:0695 min15 May
Sydney22:41 → 01:0417:040 min17:03109 min15 May
Suva00:36 → 02:5917:360 min17:36102 min15 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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