Ruling · Yama Dīpadāna · 1939

Thursday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 65 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 8 November

Trayodaśī is absent from pradoṣa. Not taken.

17:11 sunsetpradoṣa ends 19:01
16:4717:1117:3517:5918:2318:4719:11

0 of 110 minutes covered

Evening of Thursday 9 November

Taken. The only evening Trayodaśī reaches.

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

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 22:31 on Wed 8 Nov to 20:05 on Thu 9 Nov.

    1939-11-08T14:31:14Z → 1939-11-09T12:05:27Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:11–19:01 on the 8th, 17:10–19:00 on the 9th.

    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 8th and 110 of 110 on the 9th.

    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 3910 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1939: Thursday 9 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1939 falls on Thursday 9 November. Trayodaśī runs from 22:31 on Wed 8 Nov to 20:05 on Thu 9 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1939/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 9 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 9 Nov
compat-drikpanchangComparison profileThu 9 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 8thCoveredSunset 9thCoveredRuled
Los Angeles06:31 → 04:0516:54107 min16:540 min8 Nov
Chicago08:31 → 06:0516:37111 min16:360 min8 Nov
Jersey City09:31 → 07:0516:45111 min16:440 min8 Nov
Port of Spain10:31 → 08:0517:4099 min17:400 min8 Nov
London15:31 → 13:0517:23118 min17:210 min8 Nov
Durban16:31 → 14:0518:2285 min18:230 min8 Nov
Dubai18:31 → 16:0517:3447 min17:340 min8 Nov
Delhi20:01 → 17:3517:320 min17:315 min9 Nov
Kolkata20:01 → 17:3516:560 min16:5540 min9 Nov
Singapore21:51 → 19:2518:100 min18:1075 min9 Nov
Sydney00:31 → 22:0518:280 min18:2983 min9 Nov
Suva02:31 → 00:0518:150 min18:1689 min9 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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