Ruling · Yama Dīpadāna · 1910

Sunday 30 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 502 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 29 October

Trayodaśī is absent from pradoṣa. Not taken.

17:23 sunsetpradoṣa ends 19:09
16:5917:2317:4718:1118:3518:5919:23

0 of 107 minutes covered

Evening of Sunday 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 03:31 on Sun 30 Oct to 05:19 on Mon 31 Oct.

    1910-10-29T19:31:21Z → 1910-10-30T21:19:11Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:23–19:09 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 30133 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1910: Sunday 30 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1910 falls on Sunday 30 October. Trayodaśī runs from 03:31 on Sun 30 Oct to 05:19 on Mon 31 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1910/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 30 Oct
compat-drikpanchangComparison profileSun 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 Angeles11:31 → 13:1917:04105 min17:030 min29 Oct
Chicago13:31 → 15:1916:50108 min16:480 min29 Oct
Jersey City14:31 → 16:1916:57108 min16:560 min29 Oct
Port of Spain15:31 → 17:1917:4398 min17:430 min29 Oct
London19:31 → 21:1916:400 min16:39114 min30 Oct
Durban21:31 → 23:1918:150 min18:1586 min30 Oct
Dubai23:12 → 01:0017:220 min17:21102 min30 Oct
Delhi01:01 → 02:4917:390 min17:38103 min30 Oct
Kolkata01:01 → 02:4917:010 min17:01101 min30 Oct
Singapore02:31 → 04:1917:500 min17:5095 min30 Oct
Sydney05:31 → 07:1918:190 min18:2085 min30 Oct
Suva07:26 → 09:1418:060 min18:0790 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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