Ruling · Yama Dīpadāna · 2052

Sunday 20 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 21 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 Saturday 19 October

Trayodaśī is absent from pradoṣa. Not taken.

17:34 sunsetpradoṣa ends 19:17
17:1017:3417:5818:2218:4619:1019:34

0 of 104 minutes covered

Evening of Sunday 20 October

Taken. The only evening Trayodaśī reaches.

17:32 sunsetpradoṣa ends 19:16
17:0817:3217:5618:2018:4419:0819:32

104 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 19:38 on Sat 19 Oct to 20:22 on Sun 20 Oct.

    2052-10-19T11:38:19Z → 2052-10-20T12:21:45Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:34–19:17 on the 19th, 17:32–19:16 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 0 of 104 minutes on the 19th and 104 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 1251 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2052: Sunday 20 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2052 falls on Sunday 20 October. Trayodaśī runs from 19:38 on Sat 19 Oct to 20:22 on Sun 20 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2052/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 20 Oct
compat-drikpanchangComparison profileSun 20 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 Angeles04:38 → 05:2218:13103 min18:120 min19 Oct
Chicago06:38 → 07:2218:02105 min18:000 min19 Oct
Jersey City07:38 → 08:2218:09105 min18:070 min19 Oct
Port of Spain07:38 → 08:2217:4697 min17:460 min19 Oct
London12:38 → 13:2217:57109 min17:550 min19 Oct
Durban13:38 → 14:2218:0989 min18:090 min19 Oct
Dubai15:38 → 16:2217:48100 min17:470 min19 Oct
Delhi17:08 → 17:5217:47101 min17:466 min19 Oct
Kolkata17:08 → 17:5217:0899 min17:0745 min19 Oct
Singapore19:38 → 20:2218:5249 min18:5290 min20 Oct
Sydney22:38 → 23:2219:120 min19:1387 min20 Oct
Suva23:38 → 00:2218:080 min18:0891 min20 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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