Ruling · Mahāśivarātri (Shivratri) · 1986

Saturday 8 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 27 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two nights

One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.

Night of Saturday 8 March

Taken. The only night Caturdaśī reaches.

niśītha begins 00:05  00:53 niśītha ends
Caturdaśī begins 23:37:39
23:1723:4100:0500:2900:5301:1701:41

48 of 48 minutes covered

Night of Sunday 9 March

Caturdaśī is absent from niśītha. Not taken.

niśītha begins 00:04  00:52 niśītha ends
23:1623:4000:0400:2800:5201:1601:40

0 of 48 minutes covered

Caturdaśī presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 23:38 on Sat 8 Mar to 23:00 on Sun 9 Mar.

    1986-03-08T15:37:39Z → 1986-03-09T15:00:15Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 8th, 00:04–00:52 on the 9th.

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

  3. 03

    Rule

    Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one night qualifies. No tie-break is needed.

    priority: disputed → only-day · margin 1619 s

  5. 05

    Ruling

    Mahāśivarātri, Baoding, 1986: Saturday 8 March.

    confidence: determinate

Say it like this

In Baoding, Mahāśivarātri (Shivratri) 1986 falls on Saturday 8 March. Caturdaśī runs from 23:38 on Sat 8 Mar to 23:00 on Sun 9 Mar and covers all of niśītha that night.

ahargana.org/baoding/festivals/1986/maha-shivaratri · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 8 Mar
compat-drikpanchangComparison profileSat 8 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/maha-shivaratri · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Niśītha
Priority
Disputed
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105. The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīNiśītha 8thCoveredNiśītha 9thCoveredRuled
Los Angeles07:38 → 07:0023:3948 min23:390 min8 Mar
Chicago09:38 → 09:0023:3748 min23:370 min8 Mar
Jersey City10:38 → 10:0023:4348 min23:420 min8 Mar
Port of Spain11:38 → 11:0023:5348 min23:520 min8 Mar
London15:38 → 15:0023:4748 min23:460 min8 Mar
Durban17:38 → 17:0023:4348 min23:430 min8 Mar
Dubai19:38 → 19:0000:0548 min00:050 min8 Mar
Delhi21:08 → 20:3000:0848 min00:070 min8 Mar
Kolkata21:08 → 20:3023:2348 min23:230 min8 Mar
Singapore23:38 → 23:0000:5148 min00:510 min8 Mar
Sydney02:38 → 02:0000:420 min00:4248 min9 Mar
Suva03:38 → 03:0023:530 min23:5348 min9 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
maha-shivaratri@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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