Ruling · Yama Dīpadāna · 1954

Sunday 24 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 11 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 Saturday 23 October

Trayodaśī is absent from pradoṣa. Not taken.

17:30 sunsetpradoṣa ends 19:15
Trayodaśī begins 19:25:14
17:0617:3017:5418:1818:4219:0619:30

0 of 105 minutes covered

Evening of Sunday 24 October

Taken. The only evening Trayodaśī reaches.

17:28 sunsetpradoṣa ends 19:14
17:0417:2817:5218:1618:4019:0419:28

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 19:25 on Sat 23 Oct to 21:17 on Sun 24 Oct.

    1954-10-23T11:25:14Z → 1954-10-24T13:16:50Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:30–19:15 on the 23rd, 17:28–19:14 on the 24th.

    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 23rd and 105 of 105 on the 24th.

    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 641 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1954: Sunday 24 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1954 falls on Sunday 24 October. Trayodaśī runs from 19:25 on Sat 23 Oct to 21:17 on Sun 24 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1954/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 24 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 24 Oct
compat-drikpanchangComparison profileSun 24 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 23rdCoveredSunset 24thCoveredRuled
Los Angeles03:25 → 05:1717:10103 min17:080 min23 Oct
Chicago05:25 → 07:1716:57106 min16:560 min23 Oct
Jersey City06:25 → 08:1717:05106 min17:030 min23 Oct
Port of Spain07:25 → 09:1717:4597 min17:450 min23 Oct
London11:25 → 13:1716:51110 min16:490 min23 Oct
Durban13:25 → 15:1718:1188 min18:110 min23 Oct
Dubai15:25 → 17:1717:45101 min17:440 min23 Oct
Delhi16:55 → 18:4717:44102 min17:4364 min23 Oct
Kolkata16:55 → 18:4717:05100 min17:05100 min24 Oct
Singapore18:55 → 20:4718:2161 min18:2195 min24 Oct
Sydney21:25 → 23:1718:140 min18:1586 min24 Oct
Suva23:25 → 01:1718:090 min18:0991 min24 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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