Ruling · Vasanta Pañcamī (Basant Panchami) · 2011

Tuesday 8 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 400 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 Monday 7 February

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

0 of 48 minutes covered

Midday of Tuesday 8 February

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

48 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 19:36 on Mon 7 Feb to 22:09 on Tue 8 Feb.

    2011-02-07T11:36:01Z → 2011-02-08T14:09:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 7th, 12:09–12:57 on the 8th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.

    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 23972 s

  5. 05

    Ruling

    Vasanta Pañcamī, Baoding, 2011: Tuesday 8 February.

    confidence: determinate

Say it like this

In Baoding, Vasanta Pañcamī (Basant Panchami) 2011 falls on Tuesday 8 February. Pañcamī runs from 19:36 on Mon 7 Feb to 22:09 on Tue 8 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2011/vasanta-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Feb
Ahargaṇa, classicalDisc centre, no refractionTue 8 Feb
compat-drikpanchangComparison profileTue 8 Feb
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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles03:36 → 06:0911:4348 min11:430 min7 Feb
Chicago05:36 → 08:0911:4148 min11:410 min7 Feb
Jersey City06:36 → 09:0911:4748 min11:470 min7 Feb
Port of Spain07:36 → 10:0911:5648 min11:560 min7 Feb
London11:36 → 14:0911:5148 min11:5148 min7 Feb
Durban13:36 → 16:0911:460 min11:4648 min8 Feb
Dubai15:36 → 18:0912:090 min12:0948 min8 Feb
Delhi17:06 → 19:3912:110 min12:1148 min8 Feb
Kolkata17:06 → 19:3911:270 min11:2748 min8 Feb
Singapore19:36 → 22:0912:550 min12:5548 min8 Feb
Sydney22:36 → 01:0912:450 min12:4548 min8 Feb
Suva00:36 → 03:0912:560 min12:5648 min8 Feb
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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