{"id":"vidhyamitra:city-day:erode:1987-06-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1987-06-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-06-30","date_display":"June 30, 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":6,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446976.770833,"kali_year":5089,"ahargana":1858511.2708,"sun":{"sidereal_longitude":73.7754,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":118.966,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.1906,"elapsed_within_tithi_degrees":9.1906},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.966,"elapsed_within_degrees":12.2993},"yoga":{"number":15,"name":"Vajra","sum_longitude":192.7414},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":6,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446976.770833,"ahargana":1858511.2708,"kali_year":5089,"ayanamsa_lahiri":23.6783,"grahas":{"sun":{"sidereal_longitude":74.07065,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":115.70755000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":3.3512},"mars":{"sidereal_longitude":92.27345000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":80.58515,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":2.843849999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":59.43824999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":232.38855,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":347.1291,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":167.1291,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"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":6,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446976.770833,"kali_year":5089,"ahargana":1858511.2708,"sun":{"sidereal_longitude":73.7754,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":118.966,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":45.1906,"elapsed_within_tithi_degrees":9.1906},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.966,"elapsed_within_degrees":12.2993},"yoga":{"number":15,"name":"Vajra","sum_longitude":192.7414},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.351,"elongation":45.191},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.351,"opposition_distance":134.809}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"05:59","sunsetLocal":"18:46","solarNoonLocal":"12:22","dayLengthHours":12.781625453286928,"dayLengthDisplay":"12 Hours 46 Mins 54 Secs","nightLengthDisplay":"11 Hours 13 Mins 06 Secs","moonriseLocal":"08:54","moonsetLocal":"21:24","rahuKala":{"name":"Rāhu Kāla","start":"15:34","end":"17:10","startHours":15.568953942689106,"endHours":17.166657124349975,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:11","end":"10:47","startHours":9.178141216045642,"endHours":10.775844397706509,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:22","end":"13:58","startHours":12.373547579367376,"endHours":13.97125076102824,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:23","startHours":8.965114125157527,"endHours":9.391168306933759,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:51","startHours":6.5153025799441995,"endHours":6.856145925365184,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:48","startHours":11.947493397591145,"endHours":12.799601761143606,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:08","startHours":4.278518125618987,"endHours":5.130626489171449,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:55","end":"05:59","startHours":4.9175993982833335,"endHours":5.982734852723911,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:21","startHours":14.50381848824853,"endHours":15.355926851800993,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.56436030601084,"endHours":18.96436030601084,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:18","startHours":18.76436030601084,"endHours":19.29692803323113,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.51436030601084,"endHours":20.26436030601084,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:48","startHours":23.947493397591145,"endHours":24.799601761143606,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:59","end":"07:35","startHours":5.982734852723911,"endHours":7.580438034384777,"quality":"inauspicious"},{"name":"Udveg","start":"07:35","end":"09:11","startHours":7.580438034384777,"endHours":9.178141216045642,"quality":"inauspicious"},{"name":"Chala","start":"09:11","end":"10:47","startHours":9.178141216045642,"endHours":10.775844397706509,"quality":"neutral"},{"name":"Labha","start":"10:47","end":"12:22","startHours":10.775844397706509,"endHours":12.373547579367376,"quality":"auspicious"},{"name":"Amṛta","start":"12:22","end":"13:58","startHours":12.373547579367376,"endHours":13.97125076102824,"quality":"auspicious"},{"name":"Kāla","start":"13:58","end":"15:34","startHours":13.97125076102824,"endHours":15.568953942689106,"quality":"inauspicious"},{"name":"Śubha","start":"15:34","end":"17:10","startHours":15.568953942689106,"endHours":17.166657124349975,"quality":"auspicious"},{"name":"Roga","start":"17:10","end":"18:46","startHours":17.166657124349975,"endHours":18.76436030601084,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:46","end":"20:10","startHours":18.76436030601084,"endHours":20.166657124349975,"quality":"inauspicious"},{"name":"Śubha","start":"20:10","end":"21:34","startHours":20.166657124349975,"endHours":21.568953942689106,"quality":"auspicious"},{"name":"Roga","start":"21:34","end":"22:58","startHours":21.568953942689106,"endHours":22.97125076102824,"quality":"inauspicious"},{"name":"Udveg","start":"22:58","end":"00:22","startHours":22.97125076102824,"endHours":24.373547579367376,"quality":"inauspicious"},{"name":"Chala","start":"00:22","end":"01:47","startHours":24.373547579367376,"endHours":25.77584439770651,"quality":"neutral"},{"name":"Labha","start":"01:47","end":"03:11","startHours":25.77584439770651,"endHours":27.178141216045645,"quality":"auspicious"},{"name":"Amṛta","start":"03:11","end":"04:35","startHours":27.178141216045645,"endHours":28.580438034384777,"quality":"auspicious"},{"name":"Kāla","start":"04:35","end":"05:59","startHours":28.580438034384777,"endHours":29.98273485272391,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.982734852723911,"endHours":6.982734852723911,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.982734852723911,"endHours":7.982734852723911,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.982734852723911,"endHours":8.982734852723912,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.982734852723912,"endHours":9.982734852723912,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.982734852723912,"endHours":10.982734852723912,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.982734852723912,"endHours":11.982734852723912,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.982734852723912,"endHours":12.982734852723912,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.982734852723912,"endHours":13.982734852723912,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.982734852723912,"endHours":14.982734852723912,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.982734852723912,"endHours":15.982734852723912,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.982734852723912,"endHours":16.98273485272391,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.98273485272391,"endHours":17.98273485272391,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.98273485272391,"endHours":18.98273485272391,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.98273485272391,"endHours":19.98273485272391,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.98273485272391,"endHours":20.98273485272391,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.98273485272391,"endHours":21.98273485272391,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.98273485272391,"endHours":22.98273485272391,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.98273485272391,"endHours":23.98273485272391,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.98273485272391,"endHours":24.98273485272391,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.98273485272391,"endHours":25.98273485272391,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.98273485272391,"endHours":26.98273485272391,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.98273485272391,"endHours":27.98273485272391,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.98273485272391,"endHours":28.98273485272391,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.98273485272391,"endHours":29.98273485272391,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","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":23.209887282246868,"eotMinutes":-3.2816547620426237,"ayanamsa":23.6783}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Caturthī · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"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":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga June 30, 1987 CE · Erode, Tamil Nadu · Vidhyamitra","description":"June 30, 1987 CE for Erode, Tamil Nadu: Śukla Caturthī, sūryodaya 05:59, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1987-06-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1987-06-30","sa":"https://sa.vidhyamitra.com/city/erode/1987-06-30","hi":"https://hi.vidhyamitra.com/city/erode/1987-06-30","x-default":"https://vidhyamitra.com/city/erode/1987-06-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T20:28:37.414Z","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":"2026-05-19T20:28:37.414Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T20:28:37.414Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}