Ruling · Yama Dīpadāna · 1952

Thursday 16 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 443 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 15 October

Trayodaśī is absent from pradoṣa. Not taken.

17:40 sunsetpradoṣa ends 19:23
17:1617:4018:0418:2818:5219:1619:40

0 of 102 minutes covered

Evening of Thursday 16 October

Taken. The only evening Trayodaśī reaches.

17:39 sunsetpradoṣa ends 19:21
17:1517:3918:0318:2718:5119:1519:39

103 of 103 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 02:45 on Thu 16 Oct to 04:36 on Fri 17 Oct.

    1952-10-15T18:45:06Z → 1952-10-16T20:36:03Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:40–19:23 on the 15th, 17:39–19:21 on the 16th.

    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 102 minutes on the 15th and 103 of 103 on the 16th.

    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 26552 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1952: Thursday 16 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1952 falls on Thursday 16 October. Trayodaśī runs from 02:45 on Thu 16 Oct to 04:36 on Fri 17 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1952/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 16 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 16 Oct
compat-drikpanchangComparison profileThu 16 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 15thCoveredSunset 16thCoveredRuled
Los Angeles10:45 → 12:3617:18101 min17:170 min15 Oct
Chicago12:45 → 14:3617:09103 min17:070 min15 Oct
Jersey City13:45 → 15:3617:16103 min17:140 min15 Oct
Port of Spain14:45 → 16:3617:4897 min17:480 min15 Oct
London19:45 → 21:3618:079 min18:05107 min16 Oct
Durban20:45 → 22:3618:050 min18:0689 min16 Oct
Dubai22:45 → 00:3617:520 min17:51100 min16 Oct
Delhi00:15 → 02:0617:510 min17:50100 min16 Oct
Kolkata00:15 → 02:0617:110 min17:1199 min16 Oct
Singapore02:15 → 04:0618:230 min18:2395 min16 Oct
Sydney04:45 → 06:3618:080 min18:0988 min16 Oct
Suva06:45 → 08:3618:070 min18:0792 min16 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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