Ruling · Yama Dīpadāna · 1967

Tuesday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 121 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 Monday 30 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 Tuesday 31 October

Taken. The only evening Trayodaśī reaches.

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

107 of 107 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 00:26 on Tue 31 Oct to 21:08 on Tue 31 Oct.

    1967-10-30T16:25:37Z → 1967-10-31T13:08:25Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:21–19:08 on the 30th, 17:20–19:07 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 107 of 107 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 7277 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1967: Tuesday 31 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1967 falls on Tuesday 31 October. Trayodaśī runs from 00:26 on Tue 31 Oct to 21:08 on Tue 31 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1967/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 31 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 31 Oct
compat-drikpanchangComparison profileTue 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 Angeles08:26 → 05:0817:02105 min17:010 min30 Oct
Chicago10:26 → 07:0816:48108 min16:470 min30 Oct
Jersey City11:26 → 08:0816:56108 min16:540 min30 Oct
Port of Spain12:26 → 09:0817:4298 min17:420 min30 Oct
London16:26 → 13:0816:38114 min16:360 min30 Oct
Durban18:26 → 15:0818:1676 min18:160 min30 Oct
Dubai20:26 → 17:0817:400 min17:390 min30 Oct
Delhi21:56 → 18:3817:380 min17:3761 min31 Oct
Kolkata21:56 → 18:3817:010 min17:0098 min31 Oct
Singapore23:56 → 20:3818:200 min18:2095 min31 Oct
Sydney02:26 → 23:0818:200 min18:2185 min31 Oct
Suva04:26 → 01:0818:120 min18:1290 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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