Ruling · Yama Dīpadāna · 2010

Thursday 4 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 35 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 3 November

Trayodaśī is absent from pradoṣa. Not taken.

17:16 sunsetpradoṣa ends 19:04
16:5217:1617:4018:0418:2818:5219:16

0 of 108 minutes covered

Evening of Thursday 4 November

Taken. The only evening Trayodaśī reaches.

17:15 sunsetpradoṣa ends 19:03
Trayodaśī ends 18:27:59
16:5117:1517:3918:0318:2718:5119:15

73 of 109 minutes covered, the first 73

Trayodaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 21:30 on Wed 3 Nov to 18:28 on Thu 4 Nov.

    2010-11-03T13:29:46Z → 2010-11-04T10:27:59Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:16–19:04 on the 3rd, 17:15–19:03 on the 4th.

    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 108 minutes on the 3rd and 73 of 109 on the 4th.

    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 2120 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2010: Thursday 4 November.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2010 falls on Thursday 4 November. Trayodaśī runs from 21:30 on Wed 3 Nov to 18:28 on Thu 4 Nov and covers 73 of 109 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/2010/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 4 Nov
compat-drikpanchangComparison profileThu 4 Nov
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 3rdCoveredSunset 4thCoveredRuled
Los Angeles06:30 → 03:2817:58106 min17:570 min3 Nov
Chicago08:30 → 05:2817:42110 min17:410 min3 Nov
Jersey City09:30 → 06:2817:50109 min17:490 min3 Nov
Port of Spain09:30 → 06:2817:4198 min17:410 min3 Nov
London13:30 → 10:2816:30116 min16:280 min3 Nov
Durban15:30 → 12:2818:1985 min18:200 min3 Nov
Dubai17:30 → 14:2817:37103 min17:360 min3 Nov
Delhi19:00 → 15:5817:3419 min17:340 min3 Nov
Kolkata19:00 → 15:5816:580 min16:570 min3 Nov
Singapore21:30 → 18:2818:500 min18:500 min3 Nov
Sydney00:30 → 21:2819:240 min19:2584 min4 Nov
Suva02:30 → 23:2819:130 min19:1490 min4 Nov
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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