Ruling · Yama Dīpadāna · 2003

Thursday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 483 minutes.

Decide it for

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 22 October

Trayodaśī is absent from pradoṣa. Not taken.

17:31 sunsetpradoṣa ends 19:15
17:0717:3117:5518:1918:4319:0719:31

0 of 105 minutes covered

Evening of Thursday 23 October

Taken. The only evening Trayodaśī reaches.

17:30 sunsetpradoṣa ends 19:14
17:0617:3017:5418:1818:4219:0619:30

105 of 105 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 05:53 on Thu 23 Oct to 03:18 on Fri 24 Oct.

    2003-10-22T21:52:58Z → 2003-10-23T19:17:45Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:31–19:15 on the 22nd, 17:30–19:14 on the 23rd.

    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 105 minutes on the 22nd and 105 of 105 on the 23rd.

    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 28999 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2003: Thursday 23 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2003 falls on Thursday 23 October. Trayodaśī runs from 05:53 on Thu 23 Oct to 03:18 on Fri 24 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2003/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 23 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 23 Oct
compat-drikpanchangComparison profileThu 23 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 22ndCoveredSunset 23rdCoveredRuled
Los Angeles14:53 → 12:1818:11103 min18:090 min22 Oct
Chicago16:53 → 14:1817:59106 min17:570 min22 Oct
Jersey City17:53 → 15:1818:06105 min18:050 min22 Oct
Port of Spain17:53 → 15:1817:4590 min17:450 min22 Oct
London22:53 → 20:1817:530 min17:51110 min23 Oct
Durban23:53 → 21:1818:100 min18:1188 min23 Oct
Dubai01:53 → 23:1817:460 min17:45101 min23 Oct
Delhi03:23 → 00:4817:450 min17:44102 min23 Oct
Kolkata03:23 → 00:4817:060 min17:05100 min23 Oct
Singapore05:53 → 03:1818:510 min18:5195 min23 Oct
Sydney07:53 → 05:1818:130 min18:1487 min23 Oct
Suva09:53 → 07:1818:090 min18:0991 min23 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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