Ruling · Vijayā Daśamī (Daśaharā) · 1980

Sunday 19 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 89 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 18 October

Daśamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Sunday 19 October

Taken. The only midday Daśamī reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

48 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 22:50 on Sat 18 Oct to 21:15 on Sun 19 Oct.

    1980-10-18T14:50:18Z → 1980-10-19T13:14:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 18th, 11:39–12:27 on the 19th.

    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 0 of 48 minutes on the 18th and 48 of 48 on the 19th.

    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 5354 s

  5. 05

    Ruling

    Vijayā Daśamī, Baoding, 1980: Sunday 19 October.

    confidence: determinate

Say it like this

In Baoding, Vijayā Daśamī (Dussehra) 1980 falls on Sunday 19 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 22:50 on Sat 18 Oct to 21:15 on Sun 19 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1980/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 19 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 19 Oct
compat-drikpanchangComparison profileSun 19 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/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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles07:50 → 06:1512:1448 min12:140 min18 Oct
Chicago09:50 → 08:1512:1148 min12:110 min18 Oct
Jersey City10:50 → 09:1512:1748 min12:170 min18 Oct
Port of Spain10:50 → 09:1511:2748 min11:270 min18 Oct
London15:50 → 14:1512:210 min12:2148 min18 Oct
Durban16:50 → 15:1511:170 min11:1748 min18 Oct
Dubai18:50 → 17:1511:400 min11:4048 min19 Oct
Delhi20:20 → 18:4511:420 min11:4248 min19 Oct
Kolkata20:20 → 18:4510:580 min10:5748 min19 Oct
Singapore22:20 → 20:4511:560 min11:5648 min19 Oct
Sydney00:50 → 23:1511:170 min11:1648 min19 Oct
Suva02:50 → 01:1511:280 min11:2748 min19 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