Ruling · Vasanta Pañcamī (Basant Panchami) · 1971

Sunday 31 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 147 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 Saturday 30 January

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 Sunday 31 January

Taken. The only midday Pañcamī reaches.

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

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 18:07 on Sat 30 Jan to 15:22 on Sun 31 Jan.

    1971-01-30T10:06:32Z → 1971-01-31T07:22:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 30th, 12:08–12:56 on the 31st.

    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 30th and 48 of 48 on the 31st.

    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 8791 s

  5. 05

    Ruling

    Vasanta Pañcamī, Baoding, 1971: Sunday 31 January.

    confidence: determinate

Say it like this

In Baoding, Vasanta Pañcamī (Basant Panchami) 1971 falls on Sunday 31 January. Pañcamī runs from 18:07 on Sat 30 Jan to 15:22 on Sun 31 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1971/vasanta-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 31 Jan
Ahargaṇa, classicalDisc centre, no refractionSun 31 Jan
compat-drikpanchangComparison profileSun 31 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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles02:07 → 23:2211:4348 min11:430 min30 Jan
Chicago04:07 → 01:2211:4048 min11:400 min30 Jan
Jersey City05:07 → 02:2211:4648 min11:460 min30 Jan
Port of Spain06:07 → 03:2211:5548 min11:560 min30 Jan
London11:07 → 08:2212:5048 min12:500 min30 Jan
Durban12:07 → 09:2211:4526 min11:450 min30 Jan
Dubai14:07 → 11:2212:080 min12:080 min31 Jan
Delhi15:37 → 12:5212:100 min12:1142 min31 Jan
Kolkata15:37 → 12:5211:260 min11:2648 min31 Jan
Singapore17:37 → 14:5212:240 min12:2448 min31 Jan
Sydney20:07 → 17:2211:440 min11:4448 min31 Jan
Suva22:07 → 19:2211:550 min11:5648 min31 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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