Ruling · Yama Dīpadāna · 2013

Friday 1 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 299 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 Thursday 31 October

Trayodaśī is absent from pradoṣa. Not taken.

17:19 sunsetpradoṣa ends 19:06
16:5517:1917:4318:0718:3118:5519:19

0 of 108 minutes covered

Evening of Friday 1 November

Taken. The only evening Trayodaśī reaches.

17:18 sunsetpradoṣa ends 19:06
16:5417:1817:4218:0618:3018:5419:18

108 of 108 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 00:47 on Fri 1 Nov to 00:04 on Sat 2 Nov.

    2013-10-31T16:47:03Z → 2013-11-01T16:04:07Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:19–19:06 on the 31st, 17:18–19:06 on the 1st.

    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 108 minutes on the 31st and 108 of 108 on the 1st.

    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 17915 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2013: Friday 1 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2013 falls on Friday 1 November. Trayodaśī runs from 00:47 on Fri 1 Nov to 00:04 on Sat 2 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2013/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 1 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 1 Nov
compat-drikpanchangComparison profileFri 1 Nov
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 31stCoveredSunset 1stCoveredRuled
Los Angeles09:47 → 09:0418:00106 min18:000 min31 Oct
Chicago11:47 → 11:0417:45109 min17:440 min31 Oct
Jersey City12:47 → 12:0417:53109 min17:520 min31 Oct
Port of Spain12:47 → 12:0417:4298 min17:420 min31 Oct
London16:47 → 16:0416:35102 min16:330 min31 Oct
Durban18:47 → 18:0418:1756 min18:180 min31 Oct
Dubai20:47 → 20:0417:390 min17:38103 min1 Nov
Delhi22:17 → 21:3417:360 min17:36104 min1 Nov
Kolkata22:17 → 21:3416:590 min16:59102 min1 Nov
Singapore00:47 → 00:0418:500 min18:5095 min1 Nov
Sydney03:47 → 03:0419:220 min19:2384 min1 Nov
Suva05:47 → 05:0419:120 min19:1390 min1 Nov
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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