Ruling · Yama Dīpadāna · 1963

Monday 14 October

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 Monday 14 October

Taken. The only evening Trayodaśī reaches.

17:43 sunsetpradoṣa ends 19:24
17:1917:4318:0718:3118:5519:1919:43

102 of 102 minutes covered

Evening of Tuesday 15 October

Trayodaśī is absent from pradoṣa. Not taken.

17:41 sunsetpradoṣa ends 19:23
17:1717:4118:0518:2918:5319:1719:41

0 of 102 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 15:48 on Mon 14 Oct to 17:06 on Tue 15 Oct.

    1963-10-14T07:47:33Z → 1963-10-15T09:05:55Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:43–19:24 on the 14th, 17:41–19:23 on the 15th.

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

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 14th and 0 of 102 on the 15th.

    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 2113 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1963: Monday 14 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1963 falls on Monday 14 October. Trayodaśī runs from 15:48 on Mon 14 Oct to 17:06 on Tue 15 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1963/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 14 Oct
compat-drikpanchangComparison profileMon 14 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 14thCoveredSunset 15thCoveredRuled
Los Angeles00:48 → 02:0618:21101 min18:190 min14 Oct
Chicago02:48 → 04:0618:11103 min18:100 min14 Oct
Jersey City03:48 → 05:0618:18103 min18:170 min14 Oct
Port of Spain03:48 → 05:0617:4997 min17:490 min14 Oct
London08:48 → 10:0618:11106 min18:090 min14 Oct
Durban09:48 → 11:0618:0490 min18:050 min14 Oct
Dubai11:48 → 13:0617:5399 min17:520 min14 Oct
Delhi13:18 → 14:3617:53100 min17:520 min14 Oct
Kolkata13:18 → 14:3617:1399 min17:120 min14 Oct
Singapore15:18 → 16:3618:2395 min18:230 min14 Oct
Sydney17:48 → 19:0618:0789 min18:0759 min14 Oct
Suva19:48 → 21:0618:060 min18:0792 min15 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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