Ruling · Yama Dīpadāna · 1985

Sunday 10 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 495 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 10 November

Taken. The only evening Trayodaśī reaches.

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

110 of 110 minutes covered

Evening of Monday 11 November

Trayodaśī is absent from pradoṣa. Not taken.

17:08 sunsetpradoṣa ends 18:58
16:4417:0817:3217:5618:2018:4419:0819:32

0 of 111 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 08:54 on Sun 10 Nov to 05:39 on Mon 11 Nov.

    1985-11-10T00:53:42Z → 1985-11-10T21:39:00Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:09–18:59 on the 10th, 17:08–18:58 on the 11th.

    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 10th and 0 of 111 on the 11th.

    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 29700 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1985: Sunday 10 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1985 falls on Sunday 10 November. Trayodaśī runs from 08:54 on Sun 10 Nov to 05:39 on Mon 11 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1985/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 10 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 10 Nov
compat-drikpanchangComparison profileSun 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 10thCoveredSunset 11thCoveredRuled
Los Angeles16:54 → 13:3916:520 min16:520 min9 Nov
Chicago18:54 → 15:3916:340 min16:330 min9 Nov
Jersey City19:54 → 16:3916:420 min16:410 min9 Nov
Port of Spain20:54 → 17:3917:400 min17:400 min9 Nov
London00:54 → 21:3916:18119 min16:170 min10 Nov
Durban02:54 → 23:3918:2584 min18:260 min10 Nov
Dubai04:54 → 01:3917:33104 min17:330 min10 Nov
Delhi06:24 → 03:0917:30105 min17:290 min10 Nov
Kolkata06:24 → 03:0916:54103 min16:540 min10 Nov
Singapore08:54 → 05:3918:5096 min18:500 min10 Nov
Sydney11:54 → 08:3919:3182 min19:320 min10 Nov
Suva12:54 → 09:3918:1789 min18:170 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

About Ahargaṇa