Ruling · Yama Dīpadāna · 2031

Wednesday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 506 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 Wednesday 12 November

Taken. The only evening Trayodaśī reaches.

17:07 sunsetpradoṣa ends 18:58
16:4317:0717:3117:5518:1918:4319:0719:31

111 of 111 minutes covered

Evening of Thursday 13 November

Trayodaśī is absent from pradoṣa. Not taken.

17:06 sunsetpradoṣa ends 18:57
16:4217:0617:3017:5418:1818:4219:0619:30

0 of 111 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 08:41 on Wed 12 Nov to 08:07 on Thu 13 Nov.

    2031-11-12T00:40:42Z → 2031-11-13T00:06:45Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:07–18:58 on the 12th, 17:06–18:57 on the 13th.

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

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 12th and 0 of 111 on the 13th.

    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 30380 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2031: Wednesday 12 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2031 falls on Wednesday 12 November. Trayodaśī runs from 08:41 on Wed 12 Nov to 08:07 on Thu 13 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2031/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 12 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 12 Nov
compat-drikpanchangComparison profileWed 12 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 12thCoveredSunset 13thCoveredRuled
Los Angeles16:41 → 16:0716:510 min16:500 min11 Nov
Chicago18:41 → 18:0716:3294 min16:310 min12 Nov
Jersey City19:41 → 19:0716:41112 min16:400 min12 Nov
Port of Spain20:41 → 20:0717:4099 min17:400 min12 Nov
London00:41 → 00:0716:15120 min16:140 min12 Nov
Durban02:41 → 02:0718:2684 min18:270 min12 Nov
Dubai04:41 → 04:0717:32104 min17:320 min12 Nov
Delhi06:11 → 05:3717:29106 min17:280 min12 Nov
Kolkata06:11 → 05:3716:54103 min16:530 min12 Nov
Singapore08:41 → 08:0718:5096 min18:500 min12 Nov
Sydney11:41 → 11:0719:3382 min19:340 min12 Nov
Suva12:41 → 12:0718:1889 min18:180 min12 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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