Ruling · Yama Dīpadāna · 2053

Saturday 8 November

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 4 min 26 s away. Say “contested”.

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 Friday 7 November

Trayodaśī is absent from pradoṣa. Not taken.

17:11 sunsetpradoṣa ends 19:01
16:4717:1117:3517:5918:2318:4719:11

0 of 110 minutes covered

Evening of Saturday 8 November

Taken. The only evening Trayodaśī reaches.

17:10 sunsetpradoṣa ends 19:00
Trayodaśī ends 18:55:36
16:4617:1017:3417:5818:2218:4619:10

105 of 110 minutes covered, the first 105

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

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 19:29 on Fri 7 Nov to 18:56 on Sat 8 Nov.

    2053-11-07T11:28:56Z → 2053-11-08T10:55:36Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:11–19:01 on the 7th, 17:10–19:00 on the 8th.

    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 110 minutes on the 7th and 105 of 110 on the 8th.

    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 266 s < 300 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2053: Saturday 8 November.

    confidence: boundary (margin)

Say it like this

In Baoding, Yama Dīpadāna 2053 falls on Saturday 8 November. Trayodaśī runs from 19:29 on Fri 7 Nov to 18:56 on Sat 8 Nov and covers 105 of 110 minutes of pradoṣa that evening. It is 4 min 26 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2053/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 8 Nov
compat-drikpanchangComparison profileSat 8 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 7thCoveredSunset 8thCoveredRuled
Los Angeles03:29 → 02:5616:54107 min16:530 min7 Nov
Chicago05:29 → 04:5616:37111 min16:360 min7 Nov
Jersey City06:29 → 05:5616:45111 min16:440 min7 Nov
Port of Spain07:29 → 06:5617:4099 min17:400 min7 Nov
London11:29 → 10:5616:22118 min16:210 min7 Nov
Durban13:29 → 12:5618:2384 min18:240 min7 Nov
Dubai15:29 → 14:5617:34104 min17:340 min7 Nov
Delhi16:59 → 16:2617:31105 min17:310 min7 Nov
Kolkata16:59 → 16:2616:5699 min16:550 min7 Nov
Singapore19:29 → 18:5618:5057 min18:505 min7 Nov
Sydney22:29 → 21:5619:290 min19:3082 min8 Nov
Suva23:29 → 22:5618:160 min18:1689 min8 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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