Ruling · Yama Dīpadāna · 1993

Thursday 11 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 90 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 11 November

Taken. The only evening Trayodaśī reaches.

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

111 of 111 minutes covered

Evening of Friday 12 November

Trayodaśī is absent from pradoṣa. Not taken.

17:07 sunsetpradoṣa ends 18:58
16:4317:0717:3117:5518:1918:4319:0719:31

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 15:38 on Thu 11 Nov to 12:16 on Fri 12 Nov.

    1993-11-11T07:37:36Z → 1993-11-12T04:15:48Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:08–18:58 on the 11th, 17:07–18:58 on the 12th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 11th and 0 of 111 on the 12th.

    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 5409 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1993: Thursday 11 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1993 falls on Thursday 11 November. Trayodaśī runs from 15:38 on Thu 11 Nov to 12:16 on Fri 12 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1993/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 11 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 11 Nov
compat-drikpanchangComparison profileThu 11 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 11thCoveredSunset 12thCoveredRuled
Los Angeles23:38 → 20:1616:51108 min16:510 min11 Nov
Chicago01:38 → 22:1616:33113 min16:320 min11 Nov
Jersey City02:38 → 23:1616:41112 min16:410 min11 Nov
Port of Spain03:38 → 00:1617:4099 min17:400 min11 Nov
London07:38 → 04:1616:17120 min16:150 min11 Nov
Durban09:38 → 06:1618:2684 min18:260 min11 Nov
Dubai11:38 → 08:1617:33104 min17:320 min11 Nov
Delhi13:08 → 09:4617:29106 min17:290 min11 Nov
Kolkata13:08 → 09:4616:54103 min16:540 min11 Nov
Singapore15:38 → 12:1618:5096 min18:500 min11 Nov
Sydney18:38 → 15:1619:3282 min19:330 min11 Nov
Suva19:38 → 16:1618:179 min18:180 min11 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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