Ruling · Yama Dīpadāna · 1920

Monday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 214 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 7 November

Trayodaśī is absent from pradoṣa. Not taken.

17:12 sunsetpradoṣa ends 19:01
16:4817:1217:3618:0018:2418:4819:12

0 of 109 minutes covered

Evening of Monday 8 November

Taken. The only evening Trayodaśī reaches.

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

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 22:36 on Sun 7 Nov to 22:39 on Mon 8 Nov.

    1920-11-07T14:35:46Z → 1920-11-08T14:38:32Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:12–19:01 on the 7th, 17:11–19:01 on the 8th.

    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 109 minutes on the 7th and 110 of 110 on the 8th.

    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 12869 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1920: Monday 8 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1920 falls on Monday 8 November. Trayodaśī runs from 22:36 on Sun 7 Nov to 22:39 on Mon 8 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1920/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 8 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 8 Nov
compat-drikpanchangComparison profileMon 8 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 7thCoveredSunset 8thCoveredRuled
Los Angeles06:36 → 06:3916:55107 min16:540 min7 Nov
Chicago08:36 → 08:3916:38111 min16:370 min7 Nov
Jersey City09:36 → 09:3916:46111 min16:450 min7 Nov
Port of Spain10:36 → 10:3917:4099 min17:400 min7 Nov
London14:36 → 14:3916:23118 min16:220 min7 Nov
Durban16:36 → 16:3918:2285 min18:230 min7 Nov
Dubai18:36 → 18:3917:3542 min17:3464 min8 Nov
Delhi20:06 → 20:0917:320 min17:31105 min8 Nov
Kolkata20:06 → 20:0916:560 min16:56103 min8 Nov
Singapore21:36 → 21:3917:500 min17:5096 min8 Nov
Sydney00:36 → 00:3918:280 min18:2983 min8 Nov
Suva02:36 → 02:3918:150 min18:1689 min8 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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