Ruling · Vasanta Pañcamī (Basant Panchami) · 1980

Tuesday 22 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 139 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 21 January

Pañcamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Tuesday 22 January

Taken. The only midday Pañcamī reaches.

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

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 17:52 on Mon 21 Jan to 15:13 on Tue 22 Jan.

    1980-01-21T09:52:04Z → 1980-01-22T07:12:49Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 21st, 12:06–12:54 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 8349 s

  5. 05

    Ruling

    Vasanta Pañcamī, Baoding, 1980: Tuesday 22 January.

    confidence: determinate

Say it like this

In Baoding, Vasanta Pañcamī (Basant Panchami) 1980 falls on Tuesday 22 January. Pañcamī runs from 17:52 on Mon 21 Jan to 15:13 on Tue 22 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1980/vasanta-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 22 Jan
Ahargaṇa, classicalDisc centre, no refractionTue 22 Jan
compat-drikpanchangComparison profileTue 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles01:52 → 23:1311:4048 min11:410 min21 Jan
Chicago03:52 → 01:1311:3848 min11:380 min21 Jan
Jersey City04:52 → 02:1311:4448 min11:440 min21 Jan
Port of Spain05:52 → 03:1311:5348 min11:540 min21 Jan
London09:52 → 07:1311:4848 min11:480 min21 Jan
Durban11:52 → 09:1311:4339 min11:430 min21 Jan
Dubai13:52 → 11:1312:060 min12:060 min22 Jan
Delhi15:22 → 12:4312:080 min12:0934 min22 Jan
Kolkata15:22 → 12:4311:240 min11:2448 min22 Jan
Singapore17:22 → 14:4312:220 min12:2248 min22 Jan
Sydney20:52 → 18:1312:420 min12:4248 min22 Jan
Suva21:52 → 19:1311:530 min11:5448 min22 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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