Ruling · Yama Dīpadāna · 2089

Monday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 305 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 30 October

Trayodaśī is absent from pradoṣa. Not taken.

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

0 of 107 minutes covered

Evening of Monday 31 October

Taken. The only evening Trayodaśī reaches.

17:18 sunsetpradoṣa ends 19:06
16:5417:1817:4218:0618:3018:5419:18

108 of 108 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 02:12 on Mon 31 Oct to 00:11 on Tue 1 Nov.

    2089-10-30T18:12:12Z → 2089-10-31T16:10:47Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:20–19:07 on the 30th, 17:18–19:06 on the 31st.

    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 30th and 108 of 108 on the 31st.

    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 18277 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2089: Monday 31 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2089 falls on Monday 31 October. Trayodaśī runs from 02:12 on Mon 31 Oct to 00:11 on Tue 1 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2089/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 31 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 31 Oct
compat-drikpanchangComparison profileMon 31 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 30thCoveredSunset 31stCoveredRuled
Los Angeles11:12 → 09:1118:01106 min18:000 min30 Oct
Chicago13:12 → 11:1117:46109 min17:450 min30 Oct
Jersey City14:12 → 12:1117:54108 min17:530 min30 Oct
Port of Spain14:12 → 12:1117:4298 min17:420 min30 Oct
London18:12 → 16:1116:3618 min16:340 min30 Oct
Durban20:12 → 18:1118:170 min18:180 min30 Oct
Dubai22:12 → 20:1117:390 min17:38102 min31 Oct
Delhi23:42 → 21:4117:370 min17:36104 min31 Oct
Kolkata23:42 → 21:4117:000 min16:59102 min31 Oct
Singapore02:12 → 00:1118:500 min18:5095 min31 Oct
Sydney05:12 → 03:1119:220 min19:2384 min31 Oct
Suva06:12 → 04:1118:120 min18:1390 min31 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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