Ruling · Yama Dīpadāna · 1959

Thursday 29 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 131 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 Thursday 29 October

Taken. The only evening Trayodaśī reaches.

17:22 sunsetpradoṣa ends 19:09
16:5817:2217:4618:1018:3418:5819:22

107 of 107 minutes covered

Evening of Friday 30 October

Trayodaśī is absent from pradoṣa. Not taken.

17:21 sunsetpradoṣa ends 19:08
16:5717:2117:4518:0918:3318:5719:21

0 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 15:11 on Thu 29 Oct to 12:52 on Fri 30 Oct.

    1959-10-29T07:10:55Z → 1959-10-30T04:51:48Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:22–19:09 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 107 of 107 minutes on the 29th and 0 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 7886 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1959: Thursday 29 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1959 falls on Thursday 29 October. Trayodaśī runs from 15:11 on Thu 29 Oct to 12:52 on Fri 30 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1959/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 29 Oct
compat-drikpanchangComparison profileThu 29 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 Angeles23:11 → 20:5217:03105 min17:020 min29 Oct
Chicago01:11 → 22:5216:49108 min16:480 min29 Oct
Jersey City02:11 → 23:5216:57108 min16:560 min29 Oct
Port of Spain03:11 → 00:5217:4398 min17:420 min29 Oct
London07:11 → 04:5216:40113 min16:380 min29 Oct
Durban09:11 → 06:5218:1587 min18:150 min29 Oct
Dubai11:11 → 08:5217:41102 min17:400 min29 Oct
Delhi12:41 → 10:2217:39103 min17:380 min29 Oct
Kolkata12:41 → 10:2217:01101 min17:010 min29 Oct
Singapore14:41 → 12:2218:2095 min18:200 min29 Oct
Sydney17:11 → 14:5218:1985 min18:200 min29 Oct
Suva19:11 → 16:5218:1131 min18:120 min29 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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