{"id":"vidhyamitra:city-day:solapur:1981-07-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/solapur/1981-07-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-15","date_display":"July 15, 1981 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":1981,"month":7,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444800.770833,"kali_year":5083,"ahargana":1856335.2708,"sun":{"sidereal_longitude":88.4983,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":242.8318,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.3335,"elapsed_within_tithi_degrees":10.3335},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":242.8318,"elapsed_within_degrees":2.8318},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.3301},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1981,"month":7,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444800.770833,"ahargana":1856335.2708,"kali_year":5083,"ayanamsa_lahiri":23.5951,"grahas":{"sun":{"sidereal_longitude":88.88468899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":244.12258900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":2.8662},"mars":{"sidereal_longitude":64.393189,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":68.39868899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":160.35768899999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":115.14348900000005,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":160.42728899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":102.424,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.424,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":7,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444800.770833,"kali_year":5083,"ahargana":1856335.2708,"sun":{"sidereal_longitude":88.4983,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":242.8318,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.3335,"elapsed_within_tithi_degrees":10.3335},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":242.8318,"elapsed_within_degrees":2.8318},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.3301},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.866,"elongation":154.334},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.866,"opposition_distance":25.666}},"eclipse_window_40days":[{"offset_days":2,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"city":{"slug":"solapur","name":"Solapur, Maharashtra","lat":17.6599,"lon":75.9064,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"solapur","name":"Solapur, Maharashtra","lat":17.6599,"lon":75.9064,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"05:59","sunsetLocal":"19:05","solarNoonLocal":"12:32","dayLengthHours":13.090127041392044,"dayLengthDisplay":"13 Hours 05 Mins 24 Secs","nightLengthDisplay":"10 Hours 54 Mins 36 Secs","moonriseLocal":"17:22","moonsetLocal":"04:24","rahuKala":{"name":"Rāhu Kāla","start":"12:32","end":"14:10","startHours":12.532633518439585,"endHours":14.16889939861359,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:37","end":"09:16","startHours":7.623835877917569,"endHours":9.260101758091574,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:54","end":"12:32","startHours":10.89636763826558,"endHours":12.532633518439585,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:29","startHours":9.041932974068374,"endHours":9.478270542114775,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:53","startHours":6.532991957801565,"endHours":6.882062012238686,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:58","startHours":12.096295950393184,"endHours":12.968971086485986,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:07","startHours":4.242219725557957,"endHours":5.11489486165076,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:59","startHours":4.896726077627559,"endHours":5.987569997743563,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:35","startHours":14.714321358671594,"endHours":15.586996494764398,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:53","end":"19:17","startHours":18.877697039135608,"endHours":19.277697039135607,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:05","end":"19:37","startHours":19.077697039135607,"endHours":19.623118999193608,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:50","end":"20:35","startHours":18.827697039135607,"endHours":20.577697039135607,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:58","startHours":24.096295950393184,"endHours":24.968971086485986,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:59","end":"07:37","startHours":5.987569997743563,"endHours":7.623835877917569,"quality":"auspicious"},{"name":"Amṛta","start":"07:37","end":"09:16","startHours":7.623835877917569,"endHours":9.260101758091574,"quality":"auspicious"},{"name":"Kāla","start":"09:16","end":"10:54","startHours":9.260101758091574,"endHours":10.89636763826558,"quality":"inauspicious"},{"name":"Śubha","start":"10:54","end":"12:32","startHours":10.89636763826558,"endHours":12.532633518439585,"quality":"auspicious"},{"name":"Roga","start":"12:32","end":"14:10","startHours":12.532633518439585,"endHours":14.16889939861359,"quality":"inauspicious"},{"name":"Udveg","start":"14:10","end":"15:48","startHours":14.16889939861359,"endHours":15.805165278787596,"quality":"inauspicious"},{"name":"Chala","start":"15:48","end":"17:26","startHours":15.805165278787596,"endHours":17.441431158961603,"quality":"neutral"},{"name":"Labha","start":"17:26","end":"19:05","startHours":17.441431158961603,"endHours":19.077697039135607,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:05","end":"20:26","startHours":19.077697039135607,"endHours":20.441431158961603,"quality":"inauspicious"},{"name":"Chala","start":"20:26","end":"21:48","startHours":20.441431158961603,"endHours":21.805165278787598,"quality":"neutral"},{"name":"Labha","start":"21:48","end":"23:10","startHours":21.805165278787598,"endHours":23.16889939861359,"quality":"auspicious"},{"name":"Amṛta","start":"23:10","end":"00:32","startHours":23.16889939861359,"endHours":24.532633518439585,"quality":"auspicious"},{"name":"Kāla","start":"00:32","end":"01:54","startHours":24.532633518439585,"endHours":25.89636763826558,"quality":"inauspicious"},{"name":"Śubha","start":"01:54","end":"03:16","startHours":25.89636763826558,"endHours":27.260101758091572,"quality":"auspicious"},{"name":"Roga","start":"03:16","end":"04:37","startHours":27.260101758091572,"endHours":28.623835877917568,"quality":"inauspicious"},{"name":"Udveg","start":"04:37","end":"05:59","startHours":28.623835877917568,"endHours":29.987569997743563,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.987569997743563,"endHours":6.987569997743563,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.987569997743563,"endHours":7.987569997743563,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.987569997743563,"endHours":8.987569997743563,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.987569997743563,"endHours":9.987569997743563,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.987569997743563,"endHours":10.987569997743563,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.987569997743563,"endHours":11.987569997743563,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.987569997743563,"endHours":12.987569997743563,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.987569997743563,"endHours":13.987569997743563,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.987569997743563,"endHours":14.987569997743563,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.987569997743563,"endHours":15.987569997743563,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.987569997743563,"endHours":16.987569997743563,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.987569997743563,"endHours":17.987569997743563,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.987569997743563,"endHours":18.987569997743563,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.987569997743563,"endHours":19.987569997743563,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.987569997743563,"endHours":20.987569997743563,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.987569997743563,"endHours":21.987569997743563,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.987569997743563,"endHours":22.987569997743563,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.987569997743563,"endHours":23.987569997743563,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.987569997743563,"endHours":24.987569997743563,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.987569997743563,"endHours":25.987569997743563,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.987569997743563,"endHours":26.987569997743563,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.987569997743563,"endHours":27.987569997743563,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.987569997743563,"endHours":28.987569997743563,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.987569997743563,"endHours":29.987569997743563,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhūmra","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":21.56216800732594,"eotMinutes":-5.583611106375076,"ayanamsa":23.5951}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Trayodaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"solapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 15, 1981 CE · Solapur, Maharashtra · Vidhyamitra","description":"July 15, 1981 CE for Solapur, Maharashtra: Śukla Trayodaśī, sūryodaya 05:59, sūryāsta 19:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/solapur/1981-07-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/solapur/1981-07-15","sa":"https://sa.vidhyamitra.com/city/solapur/1981-07-15","hi":"https://hi.vidhyamitra.com/city/solapur/1981-07-15","x-default":"https://vidhyamitra.com/city/solapur/1981-07-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T08:48:15.940Z","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":"2026-05-19T08:48:15.940Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T08:48:15.940Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}