Ruling · Yama Dīpadāna · 2073

Saturday 28 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 180 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 28 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 Sunday 29 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 14:22 on Sat 28 Oct to 10:54 on Sun 29 Oct.

    2073-10-28T06:21:34Z → 2073-10-29T02:54:16Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:22–19:09 on the 28th, 17:21–19:08 on the 29th.

    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 28th and 0 of 107 on the 29th.

    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 10829 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2073: Saturday 28 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2073 falls on Saturday 28 October. Trayodaśī runs from 14:22 on Sat 28 Oct to 10:54 on Sun 29 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2073/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 28 Oct
compat-drikpanchangComparison profileSat 28 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 28thCoveredSunset 29thCoveredRuled
Los Angeles23:22 → 19:5418:03105 min18:020 min28 Oct
Chicago01:22 → 21:5417:49108 min17:480 min28 Oct
Jersey City02:22 → 22:5417:57108 min17:550 min28 Oct
Port of Spain02:22 → 22:5417:4398 min17:420 min28 Oct
London07:22 → 02:5417:40113 min16:380 min28 Oct
Durban08:22 → 04:5418:1587 min18:160 min28 Oct
Dubai10:22 → 06:5417:41102 min17:400 min28 Oct
Delhi11:52 → 08:2417:39103 min17:380 min28 Oct
Kolkata11:52 → 08:2417:01101 min17:010 min28 Oct
Singapore14:22 → 10:5418:5095 min18:500 min28 Oct
Sydney17:22 → 13:5419:2085 min19:210 min28 Oct
Suva18:22 → 14:5418:1180 min18:120 min28 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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