Ruling · Yama Dīpadāna · 1956

Wednesday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 468 minutes.

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 Tuesday 30 October

Trayodaśī is absent from pradoṣa. Not taken.

17:20 sunsetpradoṣa ends 19:07
16:5617:2017:4418:0818:3218:5619:20

0 of 107 minutes covered

Evening of Wednesday 31 October

Taken. The only evening Trayodaśī reaches.

17:19 sunsetpradoṣa ends 19:07
16:5517:1917:4318:0718:3118:5519:19

107 of 107 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 04:34 on Wed 31 Oct to 02:54 on Thu 1 Nov.

    1956-10-30T20:34:14Z → 1956-10-31T18:54:18Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:20–19:07 on the 30th, 17:19–19:07 on the 31st.

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

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 30th and 107 of 107 on the 31st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 28063 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1956: Wednesday 31 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1956 falls on Wednesday 31 October. Trayodaśī runs from 04:34 on Wed 31 Oct to 02:54 on Thu 1 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1956/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 31 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 31 Oct
compat-drikpanchangComparison profileWed 31 Oct
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/yama-dipadana · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Trayodaśī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“K 13 Yama dipadana (pradosa).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTrayodaśīSunset 30thCoveredSunset 31stCoveredRuled
Los Angeles12:34 → 10:5417:02105 min17:010 min30 Oct
Chicago14:34 → 12:5416:47109 min16:460 min30 Oct
Jersey City15:34 → 13:5416:55108 min16:540 min30 Oct
Port of Spain16:34 → 14:5417:4298 min17:420 min30 Oct
London20:34 → 18:5416:370 min16:35115 min31 Oct
Durban22:34 → 20:5418:160 min18:1786 min31 Oct
Dubai00:34 → 22:5417:390 min17:39102 min31 Oct
Delhi02:04 → 00:2417:370 min17:37104 min31 Oct
Kolkata02:04 → 00:2417:000 min17:00102 min31 Oct
Singapore04:04 → 02:2418:200 min18:2095 min31 Oct
Sydney06:34 → 04:5418:210 min18:2285 min31 Oct
Suva08:34 → 06:5418:120 min18:1290 min31 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
yama-dipadana@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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