Ruling · Yama Dīpadāna · 2057

Thursday 25 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 62 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 Thursday 25 October

Taken. The only evening Trayodaśī reaches.

17:26 sunsetpradoṣa ends 19:12
17:0217:2617:5018:1418:3819:0219:26

106 of 106 minutes covered

Evening of Friday 26 October

Trayodaśī is absent from pradoṣa. Not taken.

17:25 sunsetpradoṣa ends 19:11
17:0117:2517:4918:1318:3719:0119:25

0 of 106 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 16:24 on Thu 25 Oct to 15:18 on Fri 26 Oct.

    2057-10-25T08:24:11Z → 2057-10-26T07:17:36Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:26–19:12 on the 25th, 17:25–19:11 on the 26th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 25th and 0 of 106 on the 26th.

    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 3700 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2057: Thursday 25 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2057 falls on Thursday 25 October. Trayodaśī runs from 16:24 on Thu 25 Oct to 15:18 on Fri 26 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2057/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 25 Oct
compat-drikpanchangComparison profileThu 25 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 25thCoveredSunset 26thCoveredRuled
Los Angeles01:24 → 00:1818:06104 min18:050 min25 Oct
Chicago03:24 → 02:1817:53107 min17:520 min25 Oct
Jersey City04:24 → 03:1818:01107 min17:590 min25 Oct
Port of Spain04:24 → 03:1817:4498 min17:430 min25 Oct
London09:24 → 08:1817:46112 min17:440 min25 Oct
Durban10:24 → 09:1818:1387 min18:130 min25 Oct
Dubai12:24 → 11:1817:43101 min17:420 min25 Oct
Delhi13:54 → 12:4817:41102 min17:400 min25 Oct
Kolkata13:54 → 12:4817:03101 min17:030 min25 Oct
Singapore16:24 → 15:1818:5195 min18:510 min25 Oct
Sydney19:24 → 18:1819:1779 min19:180 min25 Oct
Suva20:24 → 19:1818:100 min18:1167 min26 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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