Ruling · Vijayā Daśamī (Daśaharā) · 2017

Saturday 30 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 128 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 30 September

Taken. The only midday Daśamī reaches.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

48 of 48 minutes covered

Midday of Sunday 1 October

Daśamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

0 of 48 minutes covered

Daśamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Daśamī runs from 02:20 on Sat 30 Sep to 04:06 on Sun 1 Oct.

    2017-09-29T18:20:09Z → 2017-09-30T20:06:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:44–12:32 on the 1st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 7681 s

  5. 05

    Ruling

    Vijayā Daśamī, Baoding, 2017: Saturday 30 September.

    confidence: determinate

Say it like this

In Baoding, Vijayā Daśamī (Dussehra) 2017 falls on Saturday 30 September. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 02:20 on Sat 30 Sep to 04:06 on Sun 1 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2017/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 30 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 30 Sep
compat-drikpanchangComparison profileSat 30 Sep
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/vijaya-dashami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Daśamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
First
With Śravaṇa in the day time

“S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104. The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDaśamīMadhyāhna 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles11:20 → 13:0612:1948 min12:1948 min30 Sep
Chicago13:20 → 15:0612:160 min12:1648 min30 Sep
Jersey City14:20 → 16:0612:220 min12:2248 min30 Sep
Port of Spain14:20 → 16:0611:320 min11:3248 min30 Sep
London19:20 → 21:0612:260 min12:2648 min30 Sep
Durban20:20 → 22:0611:220 min11:2248 min30 Sep
Dubai22:20 → 00:0611:450 min11:4548 min30 Sep
Delhi23:50 → 01:3611:470 min11:4748 min30 Sep
Kolkata23:50 → 01:3611:030 min11:0248 min30 Sep
Singapore02:20 → 04:0612:310 min12:3148 min30 Sep
Sydney04:20 → 07:0611:220 min11:2148 min1 Oct
Suva06:20 → 08:0611:330 min11:3348 min1 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vijaya-dashami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa