Ruling · Vasanta Pañcamī (Basant Panchami) · 2010

Wednesday 20 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 491 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Wednesday 20 January

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

48 of 48 minutes covered

Midday of Thursday 21 January

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:06  12:54 madhyāhna ends
11:1811:4212:0612:3012:5413:1813:42

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 01:45 on Wed 20 Jan to 03:54 on Thu 21 Jan.

    2010-01-19T17:44:44Z → 2010-01-20T19:54:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 20th, 12:06–12:54 on the 21st.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 29482 s

  5. 05

    Ruling

    Vasanta Pañcamī, Baoding, 2010: Wednesday 20 January.

    confidence: determinate

Say it like this

In Baoding, Vasanta Pañcamī (Basant Panchami) 2010 falls on Wednesday 20 January. Pañcamī runs from 01:45 on Wed 20 Jan to 03:54 on Thu 21 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2010/vasanta-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 20 Jan
Ahargaṇa, classicalDisc centre, no refractionWed 20 Jan
compat-drikpanchangComparison profileWed 20 Jan
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/vasanta-panchami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles09:45 → 11:5411:4048 min11:4014 min19 Jan
Chicago11:45 → 13:5411:3841 min11:3848 min20 Jan
Jersey City12:45 → 14:5411:430 min11:4448 min20 Jan
Port of Spain13:45 → 15:5411:530 min11:5348 min20 Jan
London17:45 → 19:5411:470 min11:4848 min20 Jan
Durban19:45 → 21:5411:420 min11:4348 min20 Jan
Dubai21:45 → 23:5412:060 min12:0648 min20 Jan
Delhi23:15 → 01:2412:080 min12:0848 min20 Jan
Kolkata23:15 → 01:2411:230 min11:2448 min20 Jan
Singapore01:45 → 03:5412:510 min12:5248 min20 Jan
Sydney04:45 → 06:5412:420 min12:4248 min20 Jan
Suva06:45 → 08:5412:530 min12:5348 min20 Jan
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vasanta-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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