Ruling · Yama Dīpadāna · 1980

Wednesday 5 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 132 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 Tuesday 4 November

Trayodaśī is absent from pradoṣa. Not taken.

17:14 sunsetpradoṣa ends 19:03
16:5017:1417:3818:0218:2618:5019:14

0 of 109 minutes covered

Evening of Wednesday 5 November

Taken. The only evening Trayodaśī reaches.

17:13 sunsetpradoṣa ends 19:02
16:4917:1317:3718:0118:2518:4919:13

109 of 109 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 21:15 on Tue 4 Nov to 23:51 on Wed 5 Nov.

    1980-11-04T13:15:21Z → 1980-11-05T15:51:04Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:14–19:03 on the 4th, 17:13–19:02 on the 5th.

    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 4th and 109 of 109 on the 5th.

    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 7932 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1980: Wednesday 5 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1980 falls on Wednesday 5 November. Trayodaśī runs from 21:15 on Tue 4 Nov to 23:51 on Wed 5 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1980/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 5 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 5 Nov
compat-drikpanchangComparison profileWed 5 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 4thCoveredSunset 5thCoveredRuled
Los Angeles05:15 → 07:5116:57107 min16:560 min4 Nov
Chicago07:15 → 09:5116:41110 min16:390 min4 Nov
Jersey City08:15 → 10:5116:49110 min16:470 min4 Nov
Port of Spain09:15 → 11:5117:4198 min17:410 min4 Nov
London13:15 → 15:5116:28117 min16:260 min4 Nov
Durban15:15 → 17:5118:2085 min18:210 min4 Nov
Dubai17:15 → 19:5117:36103 min17:36103 min5 Nov
Delhi18:45 → 21:2117:3433 min17:33105 min5 Nov
Kolkata18:45 → 21:2116:570 min16:57102 min5 Nov
Singapore20:45 → 23:2118:200 min18:2096 min5 Nov
Sydney00:15 → 02:5119:260 min19:2683 min5 Nov
Suva01:15 → 03:5118:140 min18:1589 min5 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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