Ruling · Yama Dīpadāna · 1928

Friday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 242 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 Friday 9 November

Taken. The only evening Trayodaśī reaches.

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

110 of 110 minutes covered

Evening of Saturday 10 November

Trayodaśī is absent from pradoṣa. Not taken.

17:09 sunsetpradoṣa ends 18:59
16:4517:0917:3317:5718:2118:4519:0919:33

0 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 11:24 on Fri 9 Nov to 13:06 on Sat 10 Nov.

    1928-11-09T03:24:08Z → 1928-11-10T05:06:25Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:10–19:00 on the 9th, 17:09–18:59 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 110 of 110 minutes on the 9th and 0 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 14549 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1928: Friday 9 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1928 falls on Friday 9 November. Trayodaśī runs from 11:24 on Fri 9 Nov to 13:06 on Sat 10 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1928/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 9thCoveredSunset 10thCoveredRuled
Los Angeles19:24 → 21:0616:53108 min16:520 min9 Nov
Chicago21:24 → 23:0616:35112 min16:340 min9 Nov
Jersey City22:24 → 00:0616:44111 min16:430 min9 Nov
Port of Spain23:24 → 01:0617:4099 min17:400 min9 Nov
London03:24 → 05:0616:20119 min16:180 min9 Nov
Durban05:24 → 07:0618:2484 min18:250 min9 Nov
Dubai07:24 → 09:0617:34104 min17:330 min9 Nov
Delhi08:54 → 10:3617:31105 min17:300 min9 Nov
Kolkata08:54 → 10:3616:55103 min16:550 min9 Nov
Singapore10:24 → 12:0617:5096 min17:500 min9 Nov
Sydney13:24 → 15:0618:3082 min18:310 min9 Nov
Suva15:24 → 17:0618:1689 min18:170 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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