{"id":"vidhyamitra:city-day:thane:1971-02-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1971-02-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-02-15","date_display":"February 15, 1971 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1971,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440997.770833,"kali_year":5072,"ahargana":1852532.2708,"sun":{"sidereal_longitude":302.4117,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":177.3544,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":234.9427,"elapsed_within_tithi_degrees":6.9427},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":177.3544,"elapsed_within_degrees":4.0211},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.7661},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1971,"month":2,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440997.770833,"ahargana":1852532.2708,"kali_year":5072,"ayanamsa_lahiri":23.4496,"grahas":{"sun":{"sidereal_longitude":302.24569199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":173.32379200000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-3.6127},"mars":{"sidereal_longitude":231.31099199999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":288.071992,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":221.77569199999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":257.37529199999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":23.41009200000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":303.9253,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":123.9253,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1971,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440997.770833,"kali_year":5072,"ahargana":1852532.2708,"sun":{"sidereal_longitude":302.4117,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":177.3544,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":234.9427,"elapsed_within_tithi_degrees":6.9427},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":177.3544,"elapsed_within_degrees":4.0211},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.7661},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.613,"elongation":125.057},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.613,"opposition_distance":54.943}},"eclipse_window_40days":[{"offset_days":-5,"type":"lunar","occurs":true,"moon_latitude":0.69,"opposition_distance":1.965}]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"07:07","sunsetLocal":"18:38","solarNoonLocal":"12:53","dayLengthHours":11.507807918189123,"dayLengthDisplay":"11 Hours 30 Mins 28 Secs","nightLengthDisplay":"12 Hours 29 Mins 32 Secs","moonriseLocal":"22:24","moonsetLocal":"10:10","rahuKala":{"name":"Rāhu Kāla","start":"08:34","end":"10:00","startHours":8.562216381469078,"endHours":10.000692371242717,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:26","end":"12:53","startHours":11.439168361016359,"endHours":12.87764435079,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:19","end":"15:45","startHours":14.31612034056364,"endHours":15.754596330337279,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:49","end":"10:12","startHours":9.808895572606232,"endHours":10.192489169879204,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:55","startHours":7.603232388286651,"endHours":7.910107266105028,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:30","end":"13:16","startHours":12.49405075351703,"endHours":13.26123794806297,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:21","startHours":5.589366002603555,"endHours":6.356553197149496,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:10","end":"07:07","startHours":6.164756398513011,"endHours":7.123740391695438,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:34","startHours":14.795612337154854,"endHours":15.562799531700795,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.431548309884562,"endHours":18.83154830988456,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:07","startHours":18.63154830988456,"endHours":19.111040306475775,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.38154830988456,"endHours":20.13154830988456,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:30","end":"01:16","startHours":24.49405075351703,"endHours":25.26123794806297,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:07","end":"08:34","startHours":7.123740391695438,"endHours":8.562216381469078,"quality":"auspicious"},{"name":"Kāla","start":"08:34","end":"10:00","startHours":8.562216381469078,"endHours":10.000692371242717,"quality":"inauspicious"},{"name":"Śubha","start":"10:00","end":"11:26","startHours":10.000692371242717,"endHours":11.439168361016359,"quality":"auspicious"},{"name":"Roga","start":"11:26","end":"12:53","startHours":11.439168361016359,"endHours":12.87764435079,"quality":"inauspicious"},{"name":"Udveg","start":"12:53","end":"14:19","startHours":12.87764435079,"endHours":14.31612034056364,"quality":"inauspicious"},{"name":"Chala","start":"14:19","end":"15:45","startHours":14.31612034056364,"endHours":15.754596330337279,"quality":"neutral"},{"name":"Labha","start":"15:45","end":"17:12","startHours":15.754596330337279,"endHours":17.19307232011092,"quality":"auspicious"},{"name":"Amṛta","start":"17:12","end":"18:38","startHours":17.19307232011092,"endHours":18.63154830988456,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:38","end":"20:12","startHours":18.63154830988456,"endHours":20.19307232011092,"quality":"neutral"},{"name":"Labha","start":"20:12","end":"21:45","startHours":20.19307232011092,"endHours":21.75459633033728,"quality":"auspicious"},{"name":"Amṛta","start":"21:45","end":"23:19","startHours":21.75459633033728,"endHours":23.31612034056364,"quality":"auspicious"},{"name":"Kāla","start":"23:19","end":"00:53","startHours":23.31612034056364,"endHours":24.87764435079,"quality":"inauspicious"},{"name":"Śubha","start":"00:53","end":"02:26","startHours":24.87764435079,"endHours":26.43916836101636,"quality":"auspicious"},{"name":"Roga","start":"02:26","end":"04:00","startHours":26.43916836101636,"endHours":28.00069237124272,"quality":"inauspicious"},{"name":"Udveg","start":"04:00","end":"05:34","startHours":28.00069237124272,"endHours":29.562216381469078,"quality":"inauspicious"},{"name":"Chala","start":"05:34","end":"07:07","startHours":29.562216381469078,"endHours":31.12374039169544,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.123740391695438,"endHours":8.123740391695438,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.123740391695438,"endHours":9.123740391695438,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.123740391695438,"endHours":10.123740391695438,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.123740391695438,"endHours":11.123740391695438,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.123740391695438,"endHours":12.123740391695438,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.123740391695438,"endHours":13.123740391695438,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.123740391695438,"endHours":14.123740391695438,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.123740391695438,"endHours":15.123740391695438,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.123740391695438,"endHours":16.12374039169544,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.12374039169544,"endHours":17.12374039169544,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.12374039169544,"endHours":18.12374039169544,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.12374039169544,"endHours":19.12374039169544,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.12374039169544,"endHours":20.12374039169544,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.12374039169544,"endHours":21.12374039169544,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.12374039169544,"endHours":22.12374039169544,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.12374039169544,"endHours":23.12374039169544,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.12374039169544,"endHours":24.12374039169544,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.12374039169544,"endHours":25.12374039169544,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.12374039169544,"endHours":26.12374039169544,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.12374039169544,"endHours":27.12374039169544,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.12374039169544,"endHours":28.12374039169544,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.12374039169544,"endHours":29.12374039169544,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.12374039169544,"endHours":30.12374039169544,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.12374039169544,"endHours":31.12374039169544,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.953464547865224,"eotMinutes":-14.571061047399978,"ayanamsa":23.4496}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Pañcamī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 15, 1971 CE · Thane, Maharashtra · Vidhyamitra","description":"February 15, 1971 CE for Thane, Maharashtra: Kṛṣṇa Pañcamī, sūryodaya 07:07, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1971-02-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1971-02-15","sa":"https://sa.vidhyamitra.com/city/thane/1971-02-15","hi":"https://hi.vidhyamitra.com/city/thane/1971-02-15","x-default":"https://vidhyamitra.com/city/thane/1971-02-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T07:32:22.011Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-09-06T07:32:22.011Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T07:32:22.011Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}