{"id":"vidhyamitra:city-day:pune:1981-03-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/pune/1981-03-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-03-18","date_display":"March 18, 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":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444681.770833,"kali_year":5082,"ahargana":1856216.2708,"sun":{"sidereal_longitude":333.9932,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":124.2965,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.3033,"elapsed_within_tithi_degrees":6.3033},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.2965,"elapsed_within_degrees":4.2965},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.2897},"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":3,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444681.770833,"ahargana":1856216.2708,"kali_year":5082,"ayanamsa_lahiri":23.5905,"grahas":{"sun":{"sidereal_longitude":333.771336,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":124.15713600000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":1.2065},"mars":{"sidereal_longitude":337.402236,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":306.55563600000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":163.03213600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"venus":{"sidereal_longitude":328.90573599999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":163.343436,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":108.7292,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":288.7292,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444681.770833,"kali_year":5082,"ahargana":1856216.2708,"sun":{"sidereal_longitude":333.9932,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":124.2965,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.3033,"elapsed_within_tithi_degrees":6.3033},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.2965,"elapsed_within_degrees":4.2965},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.2897},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.207,"elongation":150.303},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.207,"opposition_distance":29.697}},"eclipse_window_40days":[]},"city":{"slug":"pune","name":"Pune, Maharashtra","lat":18.5204,"lon":73.8567,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"mega","elevation_m":560},"tier2":{"city":{"slug":"pune","name":"Pune, Maharashtra","lat":18.5204,"lon":73.8567,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"mega","elevation_m":560},"sunriseLocal":"06:41","sunsetLocal":"18:45","solarNoonLocal":"12:43","dayLengthHours":12.070291337350668,"dayLengthDisplay":"12 Hours 04 Mins 13 Secs","nightLengthDisplay":"11 Hours 55 Mins 47 Secs","moonriseLocal":"16:26","moonsetLocal":"05:04","rahuKala":{"name":"Rāhu Kāla","start":"12:43","end":"14:14","startHours":12.72228490065855,"endHours":14.231071317827386,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:12","end":"09:42","startHours":8.195925649152052,"endHours":9.704712066320884,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:13","end":"12:43","startHours":11.213498483489719,"endHours":12.72228490065855,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:54","startHours":9.503540544031708,"endHours":9.905883588610063,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:31","startHours":7.190068037706162,"endHours":7.511942473368847,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:07","startHours":12.319941856080195,"endHours":13.124627945236906,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:05","end":"05:53","startHours":5.077767053669795,"endHours":5.882453142826506,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:41","startHours":5.681281620537328,"endHours":6.687139231983218,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:32","startHours":14.734000123550327,"endHours":15.538686212707038,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.557430569333885,"endHours":18.957430569333884,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:16","startHours":18.757430569333884,"endHours":19.26035937505683,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.507430569333884,"endHours":20.257430569333884,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:07","startHours":24.319941856080195,"endHours":25.124627945236906,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:41","end":"08:12","startHours":6.687139231983218,"endHours":8.195925649152052,"quality":"auspicious"},{"name":"Amṛta","start":"08:12","end":"09:42","startHours":8.195925649152052,"endHours":9.704712066320884,"quality":"auspicious"},{"name":"Kāla","start":"09:42","end":"11:13","startHours":9.704712066320884,"endHours":11.213498483489719,"quality":"inauspicious"},{"name":"Śubha","start":"11:13","end":"12:43","startHours":11.213498483489719,"endHours":12.72228490065855,"quality":"auspicious"},{"name":"Roga","start":"12:43","end":"14:14","startHours":12.72228490065855,"endHours":14.231071317827386,"quality":"inauspicious"},{"name":"Udveg","start":"14:14","end":"15:44","startHours":14.231071317827386,"endHours":15.739857734996217,"quality":"inauspicious"},{"name":"Chala","start":"15:44","end":"17:15","startHours":15.739857734996217,"endHours":17.248644152165053,"quality":"neutral"},{"name":"Labha","start":"17:15","end":"18:45","startHours":17.248644152165053,"endHours":18.757430569333884,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:45","end":"20:15","startHours":18.757430569333884,"endHours":20.24864415216505,"quality":"inauspicious"},{"name":"Chala","start":"20:15","end":"21:44","startHours":20.24864415216505,"endHours":21.739857734996217,"quality":"neutral"},{"name":"Labha","start":"21:44","end":"23:14","startHours":21.739857734996217,"endHours":23.231071317827386,"quality":"auspicious"},{"name":"Amṛta","start":"23:14","end":"00:43","startHours":23.231071317827386,"endHours":24.72228490065855,"quality":"auspicious"},{"name":"Kāla","start":"00:43","end":"02:13","startHours":24.72228490065855,"endHours":26.213498483489715,"quality":"inauspicious"},{"name":"Śubha","start":"02:13","end":"03:42","startHours":26.213498483489715,"endHours":27.704712066320884,"quality":"auspicious"},{"name":"Roga","start":"03:42","end":"05:12","startHours":27.704712066320884,"endHours":29.195925649152052,"quality":"inauspicious"},{"name":"Udveg","start":"05:12","end":"06:41","startHours":29.195925649152052,"endHours":30.687139231983217,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.687139231983218,"endHours":7.687139231983218,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.687139231983218,"endHours":8.687139231983217,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.687139231983217,"endHours":9.687139231983217,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.687139231983217,"endHours":10.687139231983217,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.687139231983217,"endHours":11.687139231983217,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.687139231983217,"endHours":12.687139231983217,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.687139231983217,"endHours":13.687139231983217,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.687139231983217,"endHours":14.687139231983217,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.687139231983217,"endHours":15.687139231983217,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.687139231983217,"endHours":16.687139231983217,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.687139231983217,"endHours":17.687139231983217,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.687139231983217,"endHours":18.687139231983217,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.687139231983217,"endHours":19.687139231983217,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.687139231983217,"endHours":20.687139231983217,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.687139231983217,"endHours":21.687139231983217,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.687139231983217,"endHours":22.687139231983217,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.687139231983217,"endHours":23.687139231983217,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.687139231983217,"endHours":24.687139231983217,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.687139231983217,"endHours":25.687139231983217,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.687139231983217,"endHours":26.687139231983217,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.687139231983217,"endHours":27.687139231983217,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.687139231983217,"endHours":28.687139231983217,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.687139231983217,"endHours":29.687139231983217,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.687139231983217,"endHours":30.687139231983217,"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.048971332567223,"eotMinutes":-8.763894039513033,"ayanamsa":23.5905}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Trayodaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"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":"pune"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga March 18, 1981 CE · Pune, Maharashtra · Vidhyamitra","description":"March 18, 1981 CE for Pune, Maharashtra: Śukla Trayodaśī, sūryodaya 06:41, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/pune/1981-03-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/pune/1981-03-18","sa":"https://sa.vidhyamitra.com/city/pune/1981-03-18","hi":"https://hi.vidhyamitra.com/city/pune/1981-03-18","x-default":"https://vidhyamitra.com/city/pune/1981-03-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:44:20.823Z","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":"2026-06-02T03:44:20.823Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:44:20.823Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}