{"id":"vidhyamitra:city-day:thane:1990-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1990-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-07-13","date_display":"July 13, 1990 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":1990,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448085.770833,"kali_year":5092,"ahargana":1859620.2708,"sun":{"sidereal_longitude":86.2928,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":327.3869,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":241.0941,"elapsed_within_tithi_degrees":1.0941},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.3869,"elapsed_within_degrees":7.3869},"yoga":{"number":5,"name":"Śobhana","sum_longitude":53.6796},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1990,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448085.770833,"ahargana":1859620.2708,"kali_year":5092,"ayanamsa_lahiri":23.7207,"grahas":{"sun":{"sidereal_longitude":86.68507799999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":325.771078,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":2.8313},"mars":{"sidereal_longitude":6.633078000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":98.483678,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":88.31367799999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":57.87527799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":268.223478,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":288.3689,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":108.3689,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"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":1990,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448085.770833,"kali_year":5092,"ahargana":1859620.2708,"sun":{"sidereal_longitude":86.2928,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":327.3869,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":241.0941,"elapsed_within_tithi_degrees":1.0941},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.3869,"elapsed_within_degrees":7.3869},"yoga":{"number":5,"name":"Śobhana","sum_longitude":53.6796},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.831,"elongation":118.906},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.831,"opposition_distance":61.094}},"eclipse_window_40days":[{"offset_days":9,"type":"solar","occurs":true,"moon_latitude":0.982,"elongation":0.451}]},"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":"06:07","sunsetLocal":"19:19","solarNoonLocal":"12:43","dayLengthHours":13.201533949330248,"dayLengthDisplay":"13 Hours 12 Mins 06 Secs","nightLengthDisplay":"10 Hours 47 Mins 54 Secs","moonriseLocal":"22:43","moonsetLocal":"10:36","rahuKala":{"name":"Rāhu Kāla","start":"11:04","end":"12:43","startHours":11.073958737103064,"endHours":12.724150480769346,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"16:01","end":"17:40","startHours":16.024533968101906,"endHours":17.67472571176819,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:46","end":"09:25","startHours":7.773575249770502,"endHours":9.423766993436782,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:39","startHours":9.203741427614613,"endHours":9.643792559258953,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"07:02","startHours":6.673447420659648,"endHours":7.025488325975121,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"13:10","startHours":12.284099349125004,"endHours":13.164201612413688,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:15","startHours":4.363178979526855,"endHours":5.243281242815538,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:07","startHours":5.023255676993367,"endHours":6.123383506104221,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:48","startHours":14.924406138991053,"endHours":15.804508402279735,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.12491745543447,"endHours":19.52491745543447,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:52","startHours":19.32491745543447,"endHours":19.874981369989897,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.07491745543447,"endHours":20.82491745543447,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"01:10","startHours":24.284099349125004,"endHours":25.164201612413688,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:07","end":"07:46","startHours":6.123383506104221,"endHours":7.773575249770502,"quality":"neutral"},{"name":"Labha","start":"07:46","end":"09:25","startHours":7.773575249770502,"endHours":9.423766993436782,"quality":"auspicious"},{"name":"Amṛta","start":"09:25","end":"11:04","startHours":9.423766993436782,"endHours":11.073958737103064,"quality":"auspicious"},{"name":"Kāla","start":"11:04","end":"12:43","startHours":11.073958737103064,"endHours":12.724150480769346,"quality":"inauspicious"},{"name":"Śubha","start":"12:43","end":"14:22","startHours":12.724150480769346,"endHours":14.374342224435626,"quality":"auspicious"},{"name":"Roga","start":"14:22","end":"16:01","startHours":14.374342224435626,"endHours":16.024533968101906,"quality":"inauspicious"},{"name":"Udveg","start":"16:01","end":"17:40","startHours":16.024533968101906,"endHours":17.67472571176819,"quality":"inauspicious"},{"name":"Chala","start":"17:40","end":"19:19","startHours":17.67472571176819,"endHours":19.32491745543447,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:19","end":"20:40","startHours":19.32491745543447,"endHours":20.67472571176819,"quality":"inauspicious"},{"name":"Udveg","start":"20:40","end":"22:01","startHours":20.67472571176819,"endHours":22.024533968101906,"quality":"inauspicious"},{"name":"Chala","start":"22:01","end":"23:22","startHours":22.024533968101906,"endHours":23.374342224435626,"quality":"neutral"},{"name":"Labha","start":"23:22","end":"00:43","startHours":23.374342224435626,"endHours":24.724150480769346,"quality":"auspicious"},{"name":"Amṛta","start":"00:43","end":"02:04","startHours":24.724150480769346,"endHours":26.073958737103066,"quality":"auspicious"},{"name":"Kāla","start":"02:04","end":"03:25","startHours":26.073958737103066,"endHours":27.423766993436786,"quality":"inauspicious"},{"name":"Śubha","start":"03:25","end":"04:46","startHours":27.423766993436786,"endHours":28.773575249770502,"quality":"auspicious"},{"name":"Roga","start":"04:46","end":"06:07","startHours":28.773575249770502,"endHours":30.123383506104222,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.123383506104221,"endHours":7.123383506104221,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.123383506104221,"endHours":8.123383506104222,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.123383506104222,"endHours":9.123383506104222,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.123383506104222,"endHours":10.123383506104222,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.123383506104222,"endHours":11.123383506104222,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.123383506104222,"endHours":12.123383506104222,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.123383506104222,"endHours":13.123383506104222,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.123383506104222,"endHours":14.123383506104222,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.123383506104222,"endHours":15.123383506104222,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.123383506104222,"endHours":16.123383506104222,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.123383506104222,"endHours":17.123383506104222,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.123383506104222,"endHours":18.123383506104222,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.123383506104222,"endHours":19.123383506104222,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.123383506104222,"endHours":20.123383506104222,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.123383506104222,"endHours":21.123383506104222,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.123383506104222,"endHours":22.123383506104222,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.123383506104222,"endHours":23.123383506104222,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.123383506104222,"endHours":24.123383506104222,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.123383506104222,"endHours":25.123383506104222,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.123383506104222,"endHours":26.123383506104222,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.123383506104222,"endHours":27.123383506104222,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.123383506104222,"endHours":28.123383506104222,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.123383506104222,"endHours":29.123383506104222,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.123383506104222,"endHours":30.123383506104222,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.886767585166414,"eotMinutes":-5.361428846160681,"ayanamsa":23.7207}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Ṣaṣṭhī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 July 13, 1990 CE · Thane, Maharashtra · Vidhyamitra","description":"July 13, 1990 CE for Thane, Maharashtra: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:07, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1990-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1990-07-13","sa":"https://sa.vidhyamitra.com/city/thane/1990-07-13","hi":"https://hi.vidhyamitra.com/city/thane/1990-07-13","x-default":"https://vidhyamitra.com/city/thane/1990-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T02:57:04.192Z","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":"2026-05-19T02:57:04.192Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T02:57:04.192Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}