Ruling · Vasanta Pañcamī · 1937

Monday 15 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 278 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 Monday 15 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

Midday of Tuesday 16 February

Pañcamī is absent from madhyāhna. Not taken.

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

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 07:31 on Mon 15 Feb to 05:12 on Tue 16 Feb.

    1937-02-14T23:31:10Z → 1937-02-15T21:11:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 15th, 12:09–12:57 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 16653 s

  5. 05

    Ruling

    Vasanta Pañcamī, Baoding, 1937: Monday 15 February.

    confidence: determinate

Say it like this

In Baoding, Vasanta Pañcamī 1937 falls on Monday 15 February. Pañcamī runs from 07:31 on Mon 15 Feb to 05:12 on Tue 16 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1937/vasanta-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 15 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 15 Feb
compat-drikpanchangComparison profileMon 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles15:31 → 13:1211:440 min11:4348 min15 Feb
Chicago17:31 → 15:1211:410 min11:4148 min15 Feb
Jersey City18:31 → 16:1211:470 min11:4748 min15 Feb
Port of Spain19:31 → 17:1211:560 min11:5648 min15 Feb
London23:31 → 21:1211:510 min11:5148 min15 Feb
Durban01:31 → 23:1211:460 min11:4648 min15 Feb
Dubai03:31 → 01:1212:090 min12:0948 min15 Feb
Delhi05:01 → 02:4212:120 min12:1248 min15 Feb
Kolkata05:01 → 02:4211:270 min11:2748 min15 Feb
Singapore06:51 → 04:3212:150 min12:1548 min15 Feb
Sydney09:31 → 07:1211:450 min11:4548 min15 Feb
Suva11:31 → 09:1211:570 min11:5648 min15 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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