Ruling · Yama Dīpadāna · 1929

Wednesday 30 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 65 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 Tuesday 29 October

Trayodaśī is absent from pradoṣa. Not taken.

17:22 sunsetpradoṣa ends 19:09
16:5817:2217:4618:1018:3418:5819:22

0 of 107 minutes covered

Evening of Wednesday 30 October

Taken. The only evening Trayodaśī reaches.

17:21 sunsetpradoṣa ends 19:08
16:5717:2117:4518:0918:3318:5719:21

107 of 107 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 20:59 on Tue 29 Oct to 20:13 on Wed 30 Oct.

    1929-10-29T12:59:14Z → 1929-10-30T12:13:04Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:22–19:09 on the 29th, 17:21–19:08 on the 30th.

    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 107 minutes on the 29th and 107 of 107 on the 30th.

    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 3912 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1929: Wednesday 30 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1929 falls on Wednesday 30 October. Trayodaśī runs from 20:59 on Tue 29 Oct to 20:13 on Wed 30 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1929/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 30 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 30 Oct
compat-drikpanchangComparison profileWed 30 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 29thCoveredSunset 30thCoveredRuled
Los Angeles04:59 → 04:1317:03105 min17:020 min29 Oct
Chicago06:59 → 06:1316:49108 min16:480 min29 Oct
Jersey City07:59 → 07:1316:57108 min16:550 min29 Oct
Port of Spain08:59 → 08:1317:4398 min17:420 min29 Oct
London12:59 → 12:1316:40113 min16:380 min29 Oct
Durban14:59 → 14:1318:1587 min18:160 min29 Oct
Dubai16:59 → 16:1317:41102 min17:400 min29 Oct
Delhi18:29 → 17:4317:3952 min17:385 min29 Oct
Kolkata18:29 → 17:4317:0113 min17:0143 min30 Oct
Singapore19:59 → 19:1317:500 min17:5083 min30 Oct
Sydney22:59 → 22:1318:200 min18:2085 min30 Oct
Suva00:59 → 00:1318:110 min18:1290 min30 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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