Ruling · Yama Dīpadāna · 1911

Thursday 19 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 293 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 Thursday 19 October

Taken. The only evening Trayodaśī reaches.

17:36 sunsetpradoṣa ends 19:19
17:1217:3618:0018:2418:4819:1219:36

103 of 103 minutes covered

Evening of Friday 20 October

Trayodaśī is absent from pradoṣa. Not taken.

17:35 sunsetpradoṣa ends 19:18
17:1117:3517:5918:2318:4719:1119:35

0 of 104 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 12:43 on Thu 19 Oct to 12:04 on Fri 20 Oct.

    1911-10-19T04:42:49Z → 1911-10-20T04:04:26Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:36–19:19 on the 19th, 17:35–19:18 on the 20th.

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

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 19th and 0 of 104 on the 20th.

    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 17591 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1911: Thursday 19 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1911 falls on Thursday 19 October. Trayodaśī runs from 12:43 on Thu 19 Oct to 12:04 on Fri 20 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1911/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 19 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 19 Oct
compat-drikpanchangComparison profileThu 19 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 19thCoveredSunset 20thCoveredRuled
Los Angeles20:43 → 20:0417:15102 min17:140 min19 Oct
Chicago22:43 → 22:0417:04104 min17:030 min19 Oct
Jersey City23:43 → 23:0417:11104 min17:100 min19 Oct
Port of Spain00:43 → 00:0417:4797 min17:460 min19 Oct
London04:43 → 04:0417:01108 min16:590 min19 Oct
Durban06:43 → 06:0418:0789 min18:080 min19 Oct
Dubai08:24 → 07:4517:30100 min17:290 min19 Oct
Delhi10:13 → 09:3417:49101 min17:480 min19 Oct
Kolkata10:13 → 09:3417:0999 min17:080 min19 Oct
Singapore11:43 → 11:0417:5295 min17:520 min19 Oct
Sydney14:43 → 14:0418:1088 min18:110 min19 Oct
Suva16:38 → 15:5918:0392 min18:030 min19 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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