{"id":"vidhyamitra:city-day:kolhapur:1987-12-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/kolhapur/1987-12-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-12-11","date_display":"December 11, 1987 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":1987,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447140.770833,"kali_year":5089,"ahargana":1858675.2708,"sun":{"sidereal_longitude":234.369,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":120.9529,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.5839,"elapsed_within_tithi_degrees":6.5839},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":120.9529,"elapsed_within_degrees":0.9529},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":355.3219},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":1987,"month":12,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447140.770833,"ahargana":1858675.2708,"kali_year":5089,"ayanamsa_lahiri":23.6846,"grahas":{"sun":{"sidereal_longitude":234.76308399999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":118.251984,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":2.7368},"mars":{"sidereal_longitude":197.569484,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":228.07818399999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":356.794784,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":262.59498400000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":238.984284,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":338.4396,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":158.4396,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":1987,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447140.770833,"kali_year":5089,"ahargana":1858675.2708,"sun":{"sidereal_longitude":234.369,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":120.9529,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.5839,"elapsed_within_tithi_degrees":6.5839},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":120.9529,"elapsed_within_degrees":0.9529},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":355.3219},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.737,"elongation":113.416},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.737,"opposition_distance":66.584}},"eclipse_window_40days":[]},"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"kolhapur","name":"Kolhāpur, Maharashtra","lat":16.705,"lon":74.2433,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:52","sunsetLocal":"18:02","solarNoonLocal":"12:27","dayLengthHours":11.154103342849796,"dayLengthDisplay":"11 Hours 09 Mins 15 Secs","nightLengthDisplay":"12 Hours 50 Mins 45 Secs","moonriseLocal":"22:21","moonsetLocal":"11:01","rahuKala":{"name":"Rāhu Kāla","start":"11:03","end":"12:27","startHours":11.056382370734894,"endHours":12.450645288591119,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:14","end":"16:38","startHours":15.239171124303567,"endHours":16.63343404215979,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:16","end":"09:40","startHours":8.267856535022444,"endHours":9.662119452878668,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:51","startHours":9.47621773049784,"endHours":9.848021175259499,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:20","end":"07:38","startHours":7.338347923118294,"endHours":7.635790678927623,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:49","startHours":12.078841843829458,"endHours":12.822448733352779,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:08","startHours":5.386379838119581,"endHours":6.1299867276429,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:52","startHours":5.94408500526207,"endHours":6.87359361716622,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:03","startHours":14.309662512399417,"endHours":15.053269401922737,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.827696960016016,"endHours":18.227696960016015,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:30","startHours":18.027696960016016,"endHours":18.49245126596809,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.777696960016016,"endHours":19.527696960016016,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:49","startHours":24.07884184382946,"endHours":24.82244873335278,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:52","end":"08:16","startHours":6.87359361716622,"endHours":8.267856535022444,"quality":"neutral"},{"name":"Labha","start":"08:16","end":"09:40","startHours":8.267856535022444,"endHours":9.662119452878668,"quality":"auspicious"},{"name":"Amṛta","start":"09:40","end":"11:03","startHours":9.662119452878668,"endHours":11.056382370734894,"quality":"auspicious"},{"name":"Kāla","start":"11:03","end":"12:27","startHours":11.056382370734894,"endHours":12.450645288591119,"quality":"inauspicious"},{"name":"Śubha","start":"12:27","end":"13:51","startHours":12.450645288591119,"endHours":13.844908206447343,"quality":"auspicious"},{"name":"Roga","start":"13:51","end":"15:14","startHours":13.844908206447343,"endHours":15.239171124303567,"quality":"inauspicious"},{"name":"Udveg","start":"15:14","end":"16:38","startHours":15.239171124303567,"endHours":16.63343404215979,"quality":"inauspicious"},{"name":"Chala","start":"16:38","end":"18:02","startHours":16.63343404215979,"endHours":18.027696960016016,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:02","end":"19:38","startHours":18.027696960016016,"endHours":19.63343404215979,"quality":"inauspicious"},{"name":"Udveg","start":"19:38","end":"21:14","startHours":19.63343404215979,"endHours":21.239171124303567,"quality":"inauspicious"},{"name":"Chala","start":"21:14","end":"22:51","startHours":21.239171124303567,"endHours":22.844908206447343,"quality":"neutral"},{"name":"Labha","start":"22:51","end":"00:27","startHours":22.844908206447343,"endHours":24.45064528859112,"quality":"auspicious"},{"name":"Amṛta","start":"00:27","end":"02:03","startHours":24.45064528859112,"endHours":26.056382370734894,"quality":"auspicious"},{"name":"Kāla","start":"02:03","end":"03:40","startHours":26.056382370734894,"endHours":27.66211945287867,"quality":"inauspicious"},{"name":"Śubha","start":"03:40","end":"05:16","startHours":27.66211945287867,"endHours":29.267856535022446,"quality":"auspicious"},{"name":"Roga","start":"05:16","end":"06:52","startHours":29.267856535022446,"endHours":30.87359361716622,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.87359361716622,"endHours":7.87359361716622,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.87359361716622,"endHours":8.87359361716622,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.87359361716622,"endHours":9.87359361716622,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.87359361716622,"endHours":10.87359361716622,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.87359361716622,"endHours":11.87359361716622,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.87359361716622,"endHours":12.87359361716622,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.87359361716622,"endHours":13.87359361716622,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.87359361716622,"endHours":14.87359361716622,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.87359361716622,"endHours":15.87359361716622,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.87359361716622,"endHours":16.87359361716622,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.87359361716622,"endHours":17.87359361716622,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.87359361716622,"endHours":18.87359361716622,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.87359361716622,"endHours":19.87359361716622,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.87359361716622,"endHours":20.87359361716622,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.87359361716622,"endHours":21.87359361716622,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.87359361716622,"endHours":22.87359361716622,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.87359361716622,"endHours":23.87359361716622,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.87359361716622,"endHours":24.87359361716622,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.87359361716622,"endHours":25.87359361716622,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.87359361716622,"endHours":26.87359361716622,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.87359361716622,"endHours":27.87359361716622,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.87359361716622,"endHours":28.87359361716622,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.87359361716622,"endHours":29.87359361716622,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.87359361716622,"endHours":30.87359361716622,"planetary_lord":"Mars"}],"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","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.934297055107496,"eotMinutes":5.988082684532823,"ayanamsa":23.6846}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Ṣaṣṭhī · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[],"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":"kolhapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 11, 1987 CE · Kolhāpur, Maharashtra · Vidhyamitra","description":"December 11, 1987 CE for Kolhāpur, Maharashtra: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:52, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/kolhapur/1987-12-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/kolhapur/1987-12-11","sa":"https://sa.vidhyamitra.com/city/kolhapur/1987-12-11","hi":"https://hi.vidhyamitra.com/city/kolhapur/1987-12-11","x-default":"https://vidhyamitra.com/city/kolhapur/1987-12-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T19:02:08.001Z","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":"2026-06-02T19:02:08.001Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T19:02:08.001Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}