Ruling · Yama Dīpadāna · 2091

Friday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 25 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 8 November

Trayodaśī is absent from pradoṣa. Not taken.

17:11 sunsetpradoṣa ends 19:00
16:4717:1117:3517:5918:2318:4719:1119:35

0 of 110 minutes covered

Evening of Friday 9 November

Taken. The only evening Trayodaśī reaches.

17:10 sunsetpradoṣa ends 19:00
Trayodaśī ends 19:24:13
16:4617:1017:3417:5818:2218:4619:1019:34

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 22:50 on Thu 8 Nov to 19:24 on Fri 9 Nov.

    2091-11-08T14:49:45Z → 2091-11-09T11:24:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:11–19:00 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 1472 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2091: Friday 9 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2091 falls on Friday 9 November. Trayodaśī runs from 22:50 on Thu 8 Nov to 19:24 on Fri 9 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2091/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 9 Nov
compat-drikpanchangComparison profileFri 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 Angeles06:50 → 03:2416:54108 min16:530 min8 Nov
Chicago08:50 → 05:2416:36112 min16:350 min8 Nov
Jersey City09:50 → 06:2416:44111 min16:430 min8 Nov
Port of Spain10:50 → 07:2417:4099 min17:400 min8 Nov
London14:50 → 11:2416:21118 min16:200 min8 Nov
Durban16:50 → 13:2418:2484 min18:240 min8 Nov
Dubai18:50 → 15:2417:3428 min17:340 min8 Nov
Delhi20:20 → 16:5417:310 min17:300 min8 Nov
Kolkata20:20 → 16:5416:550 min16:550 min8 Nov
Singapore22:50 → 19:2418:500 min18:5034 min9 Nov
Sydney01:50 → 22:2419:300 min19:3082 min9 Nov
Suva02:50 → 23:2418:160 min18:1789 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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