Ruling · Yama Dīpadāna · 2074

Thursday 18 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 348 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 Wednesday 17 October

Trayodaśī is absent from pradoṣa. Not taken.

17:37 sunsetpradoṣa ends 19:20
17:1317:3718:0118:2518:4919:1319:37

0 of 103 minutes covered

Evening of Thursday 18 October

Taken. The only evening Trayodaśī reaches.

17:35 sunsetpradoṣa ends 19:19
17:1117:3517:5918:2318:4719:1119:35

104 of 104 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 03:15 on Thu 18 Oct to 01:07 on Fri 19 Oct.

    2074-10-17T19:14:53Z → 2074-10-18T17:07:26Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:37–19:20 on the 17th, 17:35–19:19 on the 18th.

    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 103 minutes on the 17th and 104 of 104 on the 18th.

    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 20907 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2074: Thursday 18 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2074 falls on Thursday 18 October. Trayodaśī runs from 03:15 on Thu 18 Oct to 01:07 on Fri 19 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2074/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 18 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 18 Oct
compat-drikpanchangComparison profileThu 18 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 17thCoveredSunset 18thCoveredRuled
Los Angeles12:15 → 10:0718:16102 min18:140 min17 Oct
Chicago14:15 → 12:0718:05104 min18:040 min17 Oct
Jersey City15:15 → 13:0718:12104 min18:110 min17 Oct
Port of Spain15:15 → 13:0717:4797 min17:470 min17 Oct
London20:15 → 18:0718:020 min18:007 min18 Oct
Durban21:15 → 19:0718:070 min18:0860 min18 Oct
Dubai23:15 → 21:0717:500 min17:49100 min18 Oct
Delhi00:45 → 22:3717:490 min17:48101 min18 Oct
Kolkata00:45 → 22:3717:100 min17:09100 min18 Oct
Singapore03:15 → 01:0718:520 min18:5295 min18 Oct
Sydney06:15 → 04:0719:100 min19:1188 min18 Oct
Suva07:15 → 05:0718:080 min18:0892 min18 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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