Ruling · Śītalāṣṭamī · 2064

Monday 10 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 458 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 Sunday 9 March

Aṣṭamī 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 Monday 10 March

Taken. The only midday Aṣṭamī reaches.

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

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 20:49 on Sun 9 Mar to 20:31 on Mon 10 Mar.

    2064-03-09T12:49:18Z → 2064-03-10T12:30:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:05–12:53 on the 10th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.

    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: purvaviddha → only-day · margin 27474 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2064: Monday 10 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2064 falls on Monday 10 March. Aṣṭamī runs from 20:49 on Sun 9 Mar to 20:31 on Mon 10 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2064/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 10 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 10 Mar
compat-drikpanchangComparison profileMon 10 Mar
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/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles05:49 → 05:3112:4048 min12:390 min9 Mar
Chicago07:49 → 07:3112:3748 min12:370 min9 Mar
Jersey City08:49 → 08:3112:4348 min12:430 min9 Mar
Port of Spain08:49 → 08:3111:5248 min11:520 min9 Mar
London12:49 → 12:3111:470 min11:4743 min10 Mar
Durban14:49 → 14:3111:420 min11:4248 min10 Mar
Dubai16:49 → 16:3112:050 min12:0548 min10 Mar
Delhi18:19 → 18:0112:080 min12:0748 min10 Mar
Kolkata18:19 → 18:0111:230 min11:2348 min10 Mar
Singapore20:49 → 20:3112:510 min12:5148 min10 Mar
Sydney23:49 → 23:3112:410 min12:4148 min10 Mar
Suva00:49 → 00:3111:530 min11:5248 min10 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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