Ruling · Yama Dīpadāna · 2028

Monday 16 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 38 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 Sunday 15 October

Trayodaśī is absent from pradoṣa. Not taken.

17:39 sunsetpradoṣa ends 19:22
17:1517:3918:0318:2718:5119:1519:39

0 of 103 minutes covered

Evening of Monday 16 October

Taken. The only evening Trayodaśī reaches.

17:38 sunsetpradoṣa ends 19:21
Trayodaśī ends 18:15:53
17:1417:3818:0218:2618:5019:1419:38

38 of 103 minutes covered, the first 38

Trayodaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 21:47 on Sun 15 Oct to 18:16 on Mon 16 Oct.

    2028-10-15T13:47:02Z → 2028-10-16T10:15:54Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:39–19:22 on the 15th, 17:38–19:21 on the 16th.

    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 103 minutes on the 15th and 38 of 103 on the 16th.

    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 2281 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2028: Monday 16 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2028 falls on Monday 16 October. Trayodaśī runs from 21:47 on Sun 15 Oct to 18:16 on Mon 16 Oct and covers 38 of 103 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/2028/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 16 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 16 Oct
compat-drikpanchangComparison profileMon 16 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 15thCoveredSunset 16thCoveredRuled
Los Angeles06:47 → 03:1618:18102 min18:160 min15 Oct
Chicago08:47 → 05:1618:08104 min18:060 min15 Oct
Jersey City09:47 → 06:1618:15103 min18:130 min15 Oct
Port of Spain09:47 → 06:1617:4897 min17:480 min15 Oct
London14:47 → 11:1618:06107 min18:040 min15 Oct
Durban15:47 → 12:1618:0689 min18:060 min15 Oct
Dubai17:47 → 14:1617:51100 min17:500 min15 Oct
Delhi19:17 → 15:4617:5114 min17:500 min15 Oct
Kolkata19:17 → 15:4617:110 min17:100 min15 Oct
Singapore21:47 → 18:1618:530 min18:520 min15 Oct
Sydney00:47 → 21:1619:080 min19:0988 min16 Oct
Suva01:47 → 22:1618:070 min18:0792 min16 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

About Ahargaṇa