Ruling · Yama Dīpadāna · 2047

Thursday 17 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 49 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 16 October

Trayodaśī is absent from pradoṣa. Not taken.

17:39 sunsetpradoṣa ends 19:22
17:1517:3918:0318:2718:5119:1519:39

0 of 103 minutes covered

Evening of Thursday 17 October

Taken. The only evening Trayodaśī reaches.

17:37 sunsetpradoṣa ends 19:20
Trayodaśī ends 18:26:29
17:1317:3718:0118:2518:4919:1319:37

49 of 103 minutes covered, the first 49

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

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 21:16 on Wed 16 Oct to 18:26 on Thu 17 Oct.

    2047-10-16T13:15:48Z → 2047-10-17T10:26:30Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:39–19:22 on the 16th, 17:37–19:20 on the 17th.

    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 16th and 49 of 103 on the 17th.

    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 2948 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2047: Thursday 17 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2047 falls on Thursday 17 October. Trayodaśī runs from 21:16 on Wed 16 Oct to 18:26 on Thu 17 Oct and covers 49 of 103 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/2047/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 17 Oct
compat-drikpanchangComparison profileThu 17 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 16thCoveredSunset 17thCoveredRuled
Los Angeles06:16 → 03:2618:17102 min18:160 min16 Oct
Chicago08:16 → 05:2618:07104 min18:060 min16 Oct
Jersey City09:16 → 06:2618:14103 min18:130 min16 Oct
Port of Spain09:16 → 06:2617:4897 min17:470 min16 Oct
London14:16 → 11:2618:05107 min18:030 min16 Oct
Durban15:16 → 12:2618:0689 min18:070 min16 Oct
Dubai17:16 → 14:2617:51100 min17:500 min16 Oct
Delhi18:46 → 15:5617:5145 min17:490 min16 Oct
Kolkata18:46 → 15:5617:114 min17:100 min16 Oct
Singapore21:16 → 18:2618:530 min18:520 min16 Oct
Sydney00:16 → 21:2619:090 min19:1088 min17 Oct
Suva01:16 → 22:2618:070 min18:0792 min17 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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