Ruling · Yama Dīpadāna · 1947

Monday 10 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 571 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 Sunday 9 November

Trayodaśī is absent from pradoṣa. Not taken.

17:10 sunsetpradoṣa ends 19:00
16:4617:1017:3417:5818:2218:4619:1019:34

0 of 110 minutes covered

Evening of Monday 10 November

Taken. The only evening Trayodaśī reaches.

17:09 sunsetpradoṣa ends 19:00
16:4517:0917:3317:5718:2118:4519:0919:33

110 of 110 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 05:24 on Mon 10 Nov to 04:30 on Tue 11 Nov.

    1947-11-09T21:23:54Z → 1947-11-10T20:30:06Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:10–19:00 on the 9th, 17:09–19:00 on the 10th.

    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 110 minutes on the 9th and 110 of 110 on the 10th.

    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 34232 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1947: Monday 10 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1947 falls on Monday 10 November. Trayodaśī runs from 05:24 on Mon 10 Nov to 04:30 on Tue 11 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1947/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 10 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 10 Nov
compat-drikpanchangComparison profileMon 10 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 9thCoveredSunset 10thCoveredRuled
Los Angeles13:24 → 12:3016:54108 min16:530 min9 Nov
Chicago15:24 → 14:3016:36112 min16:350 min9 Nov
Jersey City16:24 → 15:3016:44111 min16:430 min9 Nov
Port of Spain17:24 → 16:3017:4099 min17:400 min9 Nov
London21:24 → 20:3016:210 min16:19119 min10 Nov
Durban23:24 → 22:3018:230 min18:2484 min10 Nov
Dubai01:24 → 00:3017:340 min17:33104 min10 Nov
Delhi02:54 → 02:0017:310 min17:30105 min10 Nov
Kolkata02:54 → 02:0016:550 min16:55103 min10 Nov
Singapore04:54 → 04:0018:200 min18:2096 min10 Nov
Sydney07:24 → 06:3018:290 min18:3082 min10 Nov
Suva09:24 → 08:3018:160 min18:1789 min10 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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