{"id":"vidhyamitra:city-day:thane:1975-07-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1975-07-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1975-07-31","date_display":"July 31, 1975 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1975,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442624.770833,"kali_year":5077,"ahargana":1854159.2708,"sun":{"sidereal_longitude":103.2511,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":12.8145,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":269.5634,"elapsed_within_tithi_degrees":5.5634},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.8145,"elapsed_within_degrees":12.8145},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.0656},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1975,"month":7,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442624.770833,"ahargana":1854159.2708,"kali_year":5077,"ayanamsa_lahiri":23.5118,"grahas":{"sun":{"sidereal_longitude":103.720729,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":10.112929000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":1.8934},"mars":{"sidereal_longitude":27.330228999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":102.550029,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":0.859628999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":137.81842899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":91.05352900000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":217.719,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":37.719,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1975,"month":7,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442624.770833,"kali_year":5077,"ahargana":1854159.2708,"sun":{"sidereal_longitude":103.2511,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":12.8145,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":269.5634,"elapsed_within_tithi_degrees":5.5634},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.8145,"elapsed_within_degrees":12.8145},"yoga":{"number":9,"name":"Śūla","sum_longitude":116.0656},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.893,"elongation":90.437},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.893,"opposition_distance":89.563}},"eclipse_window_40days":[]},"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":"06:14","sunsetLocal":"19:15","solarNoonLocal":"12:44","dayLengthHours":13.016059009260097,"dayLengthDisplay":"13 Hours 00 Mins 58 Secs","nightLengthDisplay":"10 Hours 59 Mins 02 Secs","moonriseLocal":"00:09","moonsetLocal":"12:50","rahuKala":{"name":"Rāhu Kāla","start":"14:22","end":"15:59","startHours":14.362990284696693,"endHours":15.989997660854208,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:14","end":"07:51","startHours":6.227953403909134,"endHours":7.854960780066646,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:29","end":"11:07","startHours":9.48196815622416,"endHours":11.10897553238167,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:42","startHours":9.265033839403156,"endHours":9.698902473045159,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:07","startHours":6.770289195961638,"endHours":7.11738410287524,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:10","startHours":12.302114274897178,"endHours":13.169851542181185,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:22","startHours":4.492478869341121,"endHours":5.3602161366251275,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:14","startHours":5.143281819804126,"endHours":6.227953403909134,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:54","end":"15:46","startHours":14.905326076749198,"endHours":15.773063344033204,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.04401241316923,"endHours":19.44401241316923,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:47","startHours":19.24401241316923,"endHours":19.786348205221735,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":18.99401241316923,"endHours":20.74401241316923,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:10","startHours":24.30211427489718,"endHours":25.169851542181185,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:14","end":"07:51","startHours":6.227953403909134,"endHours":7.854960780066646,"quality":"auspicious"},{"name":"Roga","start":"07:51","end":"09:29","startHours":7.854960780066646,"endHours":9.48196815622416,"quality":"inauspicious"},{"name":"Udveg","start":"09:29","end":"11:07","startHours":9.48196815622416,"endHours":11.10897553238167,"quality":"inauspicious"},{"name":"Chala","start":"11:07","end":"12:44","startHours":11.10897553238167,"endHours":12.735982908539182,"quality":"neutral"},{"name":"Labha","start":"12:44","end":"14:22","startHours":12.735982908539182,"endHours":14.362990284696693,"quality":"auspicious"},{"name":"Amṛta","start":"14:22","end":"15:59","startHours":14.362990284696693,"endHours":15.989997660854208,"quality":"auspicious"},{"name":"Kāla","start":"15:59","end":"17:37","startHours":15.989997660854208,"endHours":17.61700503701172,"quality":"inauspicious"},{"name":"Śubha","start":"17:37","end":"19:15","startHours":17.61700503701172,"endHours":19.24401241316923,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:15","end":"20:37","startHours":19.24401241316923,"endHours":20.61700503701172,"quality":"auspicious"},{"name":"Kāla","start":"20:37","end":"21:59","startHours":20.61700503701172,"endHours":21.989997660854208,"quality":"inauspicious"},{"name":"Śubha","start":"21:59","end":"23:22","startHours":21.989997660854208,"endHours":23.362990284696693,"quality":"auspicious"},{"name":"Roga","start":"23:22","end":"00:44","startHours":23.362990284696693,"endHours":24.73598290853918,"quality":"inauspicious"},{"name":"Udveg","start":"00:44","end":"02:07","startHours":24.73598290853918,"endHours":26.10897553238167,"quality":"inauspicious"},{"name":"Chala","start":"02:07","end":"03:29","startHours":26.10897553238167,"endHours":27.481968156224156,"quality":"neutral"},{"name":"Labha","start":"03:29","end":"04:51","startHours":27.481968156224156,"endHours":28.854960780066644,"quality":"auspicious"},{"name":"Amṛta","start":"04:51","end":"06:14","startHours":28.854960780066644,"endHours":30.227953403909133,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.227953403909134,"endHours":7.227953403909134,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.227953403909134,"endHours":8.227953403909133,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.227953403909133,"endHours":9.227953403909133,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.227953403909133,"endHours":10.227953403909133,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.227953403909133,"endHours":11.227953403909133,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.227953403909133,"endHours":12.227953403909133,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.227953403909133,"endHours":13.227953403909133,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.227953403909133,"endHours":14.227953403909133,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.227953403909133,"endHours":15.227953403909133,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.227953403909133,"endHours":16.227953403909133,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.227953403909133,"endHours":17.227953403909133,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.227953403909133,"endHours":18.227953403909133,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.227953403909133,"endHours":19.227953403909133,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.227953403909133,"endHours":20.227953403909133,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.227953403909133,"endHours":21.227953403909133,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.227953403909133,"endHours":22.227953403909133,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.227953403909133,"endHours":23.227953403909133,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.227953403909133,"endHours":24.227953403909133,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.227953403909133,"endHours":25.227953403909133,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.227953403909133,"endHours":26.227953403909133,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.227953403909133,"endHours":27.227953403909133,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.227953403909133,"endHours":28.227953403909133,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.227953403909133,"endHours":29.227953403909133,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.227953403909133,"endHours":30.227953403909133,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.461613156733844,"eotMinutes":-6.071374512350812,"ayanamsa":23.5118}},"calendars":{"vikram_samvat":2032,"vikram_samvatsara":"Vibhava","saka_samvat":1897,"saka_samvatsara":"Rākṣasa","bengali_samvat":1382,"malayalam_era":1151,"nanakshahi_year":506,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Aṣṭamī · Vikram 2032 Vibhava · Śaka 1897 Rākṣasa"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 July 31, 1975 CE · Thane, Maharashtra · Vidhyamitra","description":"July 31, 1975 CE for Thane, Maharashtra: Kṛṣṇa Aṣṭamī, sūryodaya 06:14, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1975-07-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1975-07-31","sa":"https://sa.vidhyamitra.com/city/thane/1975-07-31","hi":"https://hi.vidhyamitra.com/city/thane/1975-07-31","x-default":"https://vidhyamitra.com/city/thane/1975-07-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:08:59.741Z","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":"2026-06-03T07:08:59.741Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:08:59.741Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}