Ruling · Yama Dīpadāna · 2081

Thursday 30 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 5 min 47 s.

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 Wednesday 29 October

Trayodaśī is absent from pradoṣa. Not taken.

17:21 sunsetpradoṣa ends 19:08
16:5717:2117:4518:0918:3318:5719:21

0 of 107 minutes covered

Evening of Thursday 30 October

Taken. The only evening Trayodaśī reaches.

17:20 sunsetpradoṣa ends 19:07
Trayodaśī ends 17:25:24
16:5617:2017:4418:0818:3218:5619:20

6 of 107 minutes covered, the first 6

Trayodaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 20:36 on Wed 29 Oct to 17:25 on Thu 30 Oct.

    2081-10-29T12:35:49Z → 2081-10-30T09:25:25Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:21–19:08 on the 29th, 17:20–19:07 on the 30th.

    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 107 minutes on the 29th and 6 of 107 on the 30th.

    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 347 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2081: Thursday 30 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2081 falls on Thursday 30 October. Trayodaśī runs from 20:36 on Wed 29 Oct to 17:25 on Thu 30 Oct and covers 6 of 107 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/2081/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 30 Oct
compat-drikpanchangComparison profileThu 30 Oct
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 29thCoveredSunset 30thCoveredRuled
Los Angeles05:36 → 02:2518:02105 min18:010 min29 Oct
Chicago07:36 → 04:2517:48109 min17:460 min29 Oct
Jersey City08:36 → 05:2517:55108 min17:540 min29 Oct
Port of Spain08:36 → 05:2517:4398 min17:420 min29 Oct
London12:36 → 09:2516:38114 min16:360 min29 Oct
Durban14:36 → 11:2518:1686 min18:170 min29 Oct
Dubai16:36 → 13:2517:40102 min17:390 min29 Oct
Delhi18:06 → 14:5517:3875 min17:370 min29 Oct
Kolkata18:06 → 14:5517:0136 min17:000 min29 Oct
Singapore20:36 → 17:2518:500 min18:500 min29 Oct
Sydney23:36 → 20:2519:210 min19:2264 min30 Oct
Suva00:36 → 21:2518:120 min18:1290 min30 Oct
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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