Ruling · Paraśurāma Jayantī · 1949

Sunday 1 May

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 4 min 27 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 Saturday 30 April

Qualifies with 82 of 82 minutes. Not taken.

19:09 sunsetpradoṣa ends 20:30
Tṛtīyā begins 19:04:09
18:4519:0919:3319:5720:2120:4521:09

82 of 82 minutes covered

Evening of Sunday 1 May

Taken. Both evenings qualify; the rule takes the second.

20:10 sunsetpradoṣa ends 21:31
Tṛtīyā ends 20:54:35
19:4620:1020:3420:5821:2221:4622:10

45 of 81 minutes covered, the first 45

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

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 19:04 on Sat 30 Apr to 20:55 on Sun 1 May.

    1949-04-30T11:04:10Z → 1949-05-01T11:54:35Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:09–20:30 on the 30th, 20:10–21:31 on the 1st.

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

  3. 03

    Rule

    Tṛtīyā must be present during pradoṣa. It covers 82 of 82 minutes on the 30th and 45 of 81 on the 1st.

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

  4. 04

    Tie-break

    Both evenings qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 267 s < 300 s

  5. 05

    Ruling

    Paraśurāma Jayantī, Baoding, 1949: Sunday 1 May.

    confidence: boundary (margin)

Say it like this

In Baoding, Paraśurāma Jayantī 1949 falls on Sunday 1 May. Tṛtīyā runs from 19:04 on Sat 30 Apr to 20:55 on Sun 1 May and covers 45 of 81 minutes of pradoṣa that evening. It also reaches the previous evening for 82 minutes; by the rule the second evening is taken. It is 4 min 27 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1949/parashurama-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 1 May
Ahargaṇa, classicalDisc centre, no refractionSun 1 May
compat-drikpanchangComparison profileSun 1 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 30thCoveredSunset 1stCoveredRuled
Los Angeles03:04 → 03:5518:3684 min18:360 min30 Apr
Chicago06:04 → 06:5519:4780 min19:490 min30 Apr
Jersey City07:04 → 07:5519:5181 min19:520 min30 Apr
Port of Spain07:04 → 07:5518:1892 min18:180 min30 Apr
London12:04 → 12:5520:2174 min20:230 min30 Apr
Durban13:04 → 13:5517:22104 min17:210 min30 Apr
Dubai15:04 → 15:5518:4887 min18:480 min30 Apr
Delhi16:34 → 17:2518:5586 min18:560 min30 Apr
Kolkata16:34 → 17:2518:0288 min18:030 min30 Apr
Singapore18:34 → 19:2518:3695 min18:3648 min1 May
Sydney21:04 → 21:5517:160 min17:15106 min1 May
Suva23:04 → 23:5517:470 min17:47100 min1 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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