Ruling · Paraśurāma Jayantī · 2012

Tuesday 24 April

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 4 min 30 s away. Say “contested”.

Decide it for

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 Monday 23 April

Tṛtīyā is absent from pradoṣa. Not taken.

19:03 sunsetpradoṣa ends 20:26
Tṛtīyā begins 20:30:42
18:3919:0319:2719:5120:1520:3921:03

0 of 84 minutes covered

Evening of Tuesday 24 April

Taken. The only evening Tṛtīyā reaches.

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

83 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 20:31 on Mon 23 Apr to 23:06 on Tue 24 Apr.

    2012-04-23T12:30:43Z → 2012-04-24T15:06:19Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:03–20:26 on the 23rd, 19:04–20:27 on the 24th.

    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 84 minutes on the 23rd and 83 of 83 on the 24th.

    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 270 s < 300 s

  5. 05

    Ruling

    Paraśurāma Jayantī, Baoding, 2012: Tuesday 24 April.

    confidence: boundary (margin)

Say it like this

In Baoding, Paraśurāma Jayantī 2012 falls on Tuesday 24 April. Tṛtīyā runs from 20:31 on Mon 23 Apr to 23:06 on Tue 24 Apr and covers all of pradoṣa that evening. It is 4 min 30 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2012/parashurama-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 24 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 24 Apr
compat-drikpanchangComparison profileTue 24 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 23rdCoveredSunset 24thCoveredRuled
Los Angeles05:31 → 08:0619:3185 min19:320 min23 Apr
Chicago07:31 → 10:0619:4182 min19:420 min23 Apr
Jersey City08:31 → 11:0619:4483 min19:450 min23 Apr
Port of Spain08:31 → 11:0618:1792 min18:170 min23 Apr
London13:31 → 16:0620:1177 min20:120 min23 Apr
Durban14:31 → 17:0617:28103 min17:270 min23 Apr
Dubai16:31 → 19:0618:4588 min18:4521 min24 Apr
Delhi18:01 → 20:3618:5187 min18:5287 min24 Apr
Kolkata18:01 → 20:3618:0088 min18:0089 min24 Apr
Singapore20:31 → 23:0619:0711 min19:0795 min24 Apr
Sydney22:31 → 01:0617:230 min17:21105 min24 Apr
Suva00:31 → 03:0617:510 min17:50100 min24 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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